- What is the best way to combine the following sentences?
Beekeeping has become increasingly popular. It helps support the local ecosystem through pollination.
Answer: Beekeeping has become increasingly popular because it helps support the local ecosystem through pollination.
When you encounter sentence combination questions, you need to identify the logical relationship between the ideas and choose the connector that best expresses that relationship.
These two sentences show a cause-and-effect relationship: beekeeping's popularity has grown because it benefits the ecosystem. The second sentence explains why the first sentence is true. Answer choice C correctly uses "because" to show this causal connection, creating a clear and logical combined sentence.
Let's examine why the other options fail: Choice A creates a comma splice, which is a grammatical error. You cannot join two complete sentences with just a comma—you need either a semicolon, a period, or a comma plus an appropriate coordinating conjunction. Choice B uses "yet," which indicates contrast or opposition. This doesn't make sense here since supporting the ecosystem is actually a reason for beekeeping's popularity, not something that contradicts it. Choice D creates a run-on sentence by joining two complete thoughts without any punctuation or connecting word, making it grammatically incorrect and difficult to read.
The correct answer is C because it properly shows the cause-and-effect relationship while maintaining correct grammar.
Study tip: When combining sentences, first identify the relationship between the ideas (cause-effect, contrast, addition, etc.), then choose the connector that matches that relationship. Common cause-effect connectors include "because," "since," and "as." Always check that your combined sentence is grammatically correct and logically clear.
- What is the most effective way to combine the sentences below?
The team practiced diligently for months. Their efforts resulted in a championship victory.
Answer: The team practiced diligently for months, and their efforts resulted in a championship victory.
When you encounter sentence combining questions, you're being tested on your ability to create clear, grammatically correct connections between related ideas. The key is recognizing the relationship between the sentences and choosing the method that best expresses that relationship.
These two sentences show a clear cause-and-effect relationship: the team's months of practice led to their championship victory. The most effective combination preserves this logical flow while maintaining proper grammar.
Choice B correctly uses a comma followed by the coordinating conjunction "and" to join two independent clauses. This creates a compound sentence that clearly shows the connection between the team's practice and their success. The comma-and-conjunction combination is the standard way to link two complete thoughts of equal importance.
Choice A creates a comma splice error by attempting to join two independent clauses with only a comma. This is incorrect punctuation that creates a run-on sentence. Choice C is even worse, creating a fused sentence with no punctuation between the clauses. Choice D adds the subordinating conjunction "After," which changes the meaning by making it seem like their efforts happened after the practice, rather than showing that the practice was the cause of their successful efforts.
Remember this pattern: when combining two independent clauses that are equally important, use a comma plus a coordinating conjunction (and, but, or, nor, for, yet, so). Watch out for comma splices - they're a common trap on sentence combining questions.
- Which sentence contains a punctuation error and should be rewritten?
Answer: sentence 2
This question tests your ability to identify comma splices, one of the most common punctuation errors on the SHSAT. A comma splice occurs when two complete sentences (independent clauses) are incorrectly joined with only a comma.
Sentence 2 contains the error: "They consider many factors, for instance, they analyze traffic patterns and public transportation needs." Here, "They consider many factors" is a complete sentence, and "they analyze traffic patterns and public transportation needs" is also a complete sentence. You cannot connect two complete sentences with just a comma and the phrase "for instance." This creates a comma splice. To fix it, you could use a semicolon before "for instance" or start a new sentence.
Looking at the other options: (A) Sentence 1 is correctly punctuated with no errors. (C) Sentence 3 properly uses commas to set off the example "such as parks and community gardens" within the sentence structure. (D) Sentence 4 has correct punctuation throughout, with no comma splices or other errors.
The key trap here is that "for instance" might seem like it can connect two sentences with just commas, but transitional phrases like "for instance," "however," "therefore," and "consequently" need stronger punctuation (semicolons or periods) when connecting independent clauses.
Study tip: When you see transitional phrases between two complete thoughts, check if both sides could stand alone as sentences. If yes, you need a semicolon or period, not just a comma.
- What is the best way to fix the error in the sentence below?
Many species of birds migrate south for the winter they fly thousands of miles to reach warmer climates.
Answer: Many species of birds migrate south for the winter. They fly thousands of miles to reach warmer climates.
When you encounter a question about sentence structure, look for common errors like run-on sentences, comma splices, and fragments. The original sentence contains a run-on sentence error—two complete independent clauses joined together without proper punctuation or conjunctions.
The correct answer is C because it properly separates two independent clauses into distinct sentences. "Many species of birds migrate south for the winter" is a complete thought, and "They fly thousands of miles to reach warmer climates" is another complete thought. Using a period followed by a capital letter creates two grammatically correct, clear sentences.
Choice A creates a comma splice—using only a comma to join two independent clauses, which is grammatically incorrect. A comma alone cannot connect two complete sentences.
Choice B incorrectly uses "for" as a coordinating conjunction in this context. While "for" can sometimes connect clauses, here it creates an illogical causal relationship. The sentence suggests birds migrate because they fly thousands of miles, when actually they fly thousands of miles in order to migrate.
Choice D uses "but" incorrectly, creating a contradictory relationship between the clauses. There's no contrast between migrating south and flying thousands of miles—the second clause actually explains how the first happens, not opposes it.
Remember this strategy: when you see two complete thoughts jammed together, the simplest fix is often to separate them into two sentences with a period. This approach eliminates run-on sentences and comma splices while maintaining clarity.
- Which of the following is a correctly written sentence?
Answer: The author is famous for his complex plots; in addition, his characters are also deeply developed.
This question tests your understanding of how to properly connect two independent clauses—complete thoughts that could stand alone as sentences. When you encounter sentences with multiple complete ideas, you need to determine the correct way to join them.
Choice B is correct because it uses a semicolon followed by a transitional phrase. The semicolon properly separates two independent clauses: "The author is famous for his complex plots" and "his characters are also deeply developed." The phrase "in addition" clearly shows the relationship between the two ideas, and the comma after it correctly sets off this transitional expression.
Choice A creates a comma splice—using only a comma to join two independent clauses. This is a serious grammatical error because commas alone cannot connect complete thoughts. Choice C also creates a comma splice, even though it includes the transitional phrase "in addition." The comma before this phrase isn't strong enough punctuation to separate the independent clauses. Choice D is a run-on sentence with no punctuation at all between the two complete thoughts, making it difficult to read and grammatically incorrect.
When you see two complete thoughts in one sentence, remember your options: separate them with a period, join them with a semicolon, or use a comma with a coordinating conjunction (and, but, or, nor, for, yet, so). Transitional phrases like "in addition," "however," or "therefore" require a semicolon before them when connecting independent clauses, not just a comma.
- Which sentence has a structural error that needs to be corrected?
Answer: sentence 2
When you encounter questions about sentence structure, you're looking for grammatical errors that disrupt the flow or clarity of writing. These often involve punctuation problems, run-on sentences, or comma splices.
Sentence 2 contains a comma splice, which is a structural error where two independent clauses are incorrectly joined by only a comma. "This is a common misconception" and "in reality, glass is an amorphous solid" are both complete thoughts that can stand alone as sentences. Simply connecting them with a comma creates an error. This sentence needs either a semicolon, a period, or a coordinating conjunction (like "but") after "misconception" to be grammatically correct.
Looking at the other options: Sentence 1 (A) is grammatically sound—it's a simple declarative sentence with proper subject-verb agreement. Sentence 3 (B) correctly uses a comma to separate two independent clauses joined by the coordinating conjunction "but." Sentence 4 (D) is also structurally correct, using proper punctuation and maintaining parallel structure.
The key strategy here is to identify independent clauses (complete thoughts with both subject and predicate) and check how they're connected. When you see two complete sentences joined only by a comma, that's your red flag for a comma splice. Remember that independent clauses need stronger punctuation than just a comma to separate them, or they need a coordinating conjunction to create a proper compound sentence.
- What is the best way to combine the sentences?
Light pollution obscures the view of the night sky. Many city dwellers have never seen the Milky Way.
Answer: Light pollution obscures the view of the night sky; consequently, many city dwellers have never seen the Milky Way.
When combining two related sentences, you need to identify the logical relationship between the ideas and choose the appropriate connecting method. Here, the first sentence establishes a cause (light pollution obscures the night sky) and the second presents an effect (city dwellers haven't seen the Milky Way).
Choice A correctly uses a semicolon followed by "consequently" to show this cause-and-effect relationship. The semicolon properly separates two complete thoughts, while "consequently" explicitly signals that the second idea results from the first. This creates a clear, logical flow between the ideas.
Choice B creates a comma splice—using only a comma to join two independent clauses. This is a serious grammatical error that makes the sentence run-on and confusing. You need either a semicolon, a coordinating conjunction with a comma, or separate sentences.
Choice C also commits a comma splice error. While "however" is a transitional word, it cannot be used with just a comma to connect independent clauses. Additionally, "however" shows contrast, but these sentences don't present opposing ideas—they show cause and effect.
Choice D uses the coordinating conjunction "and" with a comma, which is grammatically correct. However, "and" simply adds information rather than showing the logical relationship between cause and effect. It doesn't capture the connection as precisely as "consequently."
Remember: When combining sentences, first identify the relationship between ideas (cause-effect, contrast, addition, etc.), then choose the connector that best expresses that relationship while following proper punctuation rules.
- What is the best way to combine these two sentences?
Construction on the new bridge was completed ahead of schedule. Traffic congestion has already decreased.
Answer: Construction on the new bridge was completed ahead of schedule; as a result, traffic congestion has already decreased.
When combining two related sentences, you need to show the logical relationship between ideas and use proper punctuation to create a grammatically correct compound sentence.
These two sentences have a clear cause-and-effect relationship: the bridge completion caused the traffic improvement. Choice A correctly combines them by using a semicolon followed by the transitional phrase "as a result." The semicolon properly joins two independent clauses, while "as a result" explicitly shows the causal connection between the bridge completion and reduced congestion.
Choice B creates a run-on sentence by jamming two complete sentences together with no punctuation or connecting words. This violates basic sentence structure rules and makes the text difficult to read.
Choice C incorrectly uses commas to set off "as a result." When you use transitional phrases like "as a result," "therefore," or "however" to connect two independent clauses, you need a semicolon before the transition, not a comma. The comma creates a comma splice error.
Choice D uses a comma to connect two independent clauses without any transitional word. This creates another comma splice, and it also fails to show the logical relationship between the ideas, leaving readers to guess how the sentences connect.
Remember this pattern: when combining sentences that show cause and effect, use a semicolon before transitional phrases like "as a result," "therefore," or "consequently." This structure (semicolon + transition + comma) is your go-to formula for showing causal relationships while maintaining proper grammar.
- What is the best way to combine these sentences?
Maria's experiment required precise measurements. She double-checked every calculation.
Answer: Because Maria's experiment required precise measurements, she double-checked every calculation.
When combining sentences, you need to establish a clear and logical relationship between the ideas while avoiding common grammatical errors like run-on sentences and comma splices.
These two sentences have a cause-and-effect relationship: Maria double-checked her calculations because her experiment required precision. Choice B correctly uses the subordinating conjunction "because" to show this logical connection, creating a complex sentence that flows naturally and makes the relationship between the ideas explicit.
Let's examine why the other options fail. Choice A creates a run-on sentence by joining two independent clauses with no punctuation or connecting word—this is grammatically incorrect and confusing to read. Choice C commits a comma splice error, using only a comma to join two complete sentences, which violates standard grammar rules. Choice D uses "but" to suggest contrast or opposition between the ideas, but there's no contrast here—double-checking calculations makes perfect sense when precision is required, so this connector creates a logical contradiction.
For sentence combination questions on the SHSAT, always ask yourself two key questions: "What's the logical relationship between these ideas?" and "Is this grammatically correct?" Look for subordinating conjunctions like "because," "since," "although," and "while" to create sophisticated sentence structures that show clear cause-and-effect, time, or contrast relationships. Avoid comma splices and run-on sentences, which are common traps in these questions.
- Which of the following revisions corrects the error in the sentence below?
The internet provides access to a vast amount of information, this can be overwhelming without a clear research question.
Answer: The internet provides access to a vast amount of information, but this can be overwhelming without a clear research question.
When you encounter a sentence with two independent clauses joined only by a comma, you're looking at a comma splice—one of the most common punctuation errors tested on the SHSAT. The original sentence contains two complete thoughts: "The internet provides access to a vast amount of information" and "this can be overwhelming without a clear research question." A comma alone cannot join these independent clauses.
Answer choice D correctly fixes this error by using "but" after the comma. This coordinating conjunction creates a logical contrast between the positive aspect (access to information) and the potential negative consequence (feeling overwhelmed). The word "but" signals that while the internet offers benefits, there's also a drawback to consider.
Looking at the incorrect options: Choice A removes the comma entirely, creating a run-on sentence where two independent clauses crash into each other without any punctuation. Choice B adds "Because" at the beginning, which makes the first clause dependent, but then fails to complete the sentence structure properly—you're left with a fragment that doesn't express a complete thought. Choice C uses "and" instead of "but," which doesn't capture the contrasting relationship between the two ideas; "and" suggests the clauses are simply adding information rather than presenting opposing perspectives.
Remember this pattern: when you see two independent clauses joined by just a comma, look for an answer that adds an appropriate coordinating conjunction (and, but, or, so) or restructures the sentence entirely. The key is matching the conjunction to the logical relationship between the ideas.
- Which sentence is a run-on sentence?
Answer: The instructions were complicated I eventually assembled the bookshelf anyway.
When you encounter questions about run-on sentences, you're being tested on your ability to identify improper sentence construction where two independent clauses are incorrectly joined.
A run-on sentence occurs when two complete thoughts (independent clauses) are connected without proper punctuation or conjunctions. Each independent clause could stand alone as a complete sentence, but when improperly joined, they create a run-on.
Choice B is correct because it contains two independent clauses—"The instructions were complicated" and "I eventually assembled the bookshelf anyway"—that are simply placed next to each other without any connecting punctuation or conjunction. This creates a run-on sentence.
Choice A is incorrect because it properly uses the subordinating conjunction "Although" to make the first clause dependent, creating a complex sentence with correct structure. Choice C is incorrect because it properly connects two independent clauses with a comma and the coordinating conjunction "but." Choice D is incorrect because it uses a semicolon followed by the transitional word "however" with a comma, which is the correct way to join independent clauses with a conjunctive adverb.
To spot run-on sentences on the SHSAT, look for two complete thoughts that could stand alone as sentences. If they're connected without proper punctuation (comma + coordinating conjunction, semicolon, or period) or without making one clause dependent, you've found a run-on. Remember that length doesn't determine run-ons—it's all about proper clause connection.
- Which sentence should be revised to correct a punctuation error?
Answer: sentence 3
When you encounter punctuation questions on the SHSAT, look for common errors like comma splices, run-on sentences, and missing punctuation that separates independent clauses.
Sentence 3 contains a comma splice error. It reads: "For example, a factory shutdown can delay product delivery for months, a shipping container shortage can increase costs for consumers." This sentence incorrectly joins two complete, independent clauses with just a comma. Each clause can stand alone as a complete sentence: "A factory shutdown can delay product delivery for months" and "A shipping container shortage can increase costs for consumers." To fix this, you need either a semicolon, a period, or a comma followed by a coordinating conjunction like "and."
Answer choice A is incorrect because sentence 1 is properly punctuated—it's a simple sentence with appropriate comma usage in the series "producers, vendors, and transportation systems." Answer choice B is wrong because sentence 2 uses correct punctuation; it's a straightforward sentence with a properly placed comma after the introductory phrase. Answer choice C is incorrect because sentence 4 has no punctuation errors—it's a complex sentence with a properly placed comma separating the dependent clause from the main clause.
Remember this pattern: when two complete thoughts are joined only by a comma, you've found a comma splice. Always check if each part of a comma-separated sentence could stand alone—if both can, you need stronger punctuation than just a comma.
- Which sentence contains an error in sentence structure?
Answer: sentence 2
When you encounter sentence structure questions, you're looking for errors in how clauses are connected or punctuated. The most common problems involve run-on sentences, comma splices, and sentence fragments.
Sentence 2 contains a comma splice error. It reads: "It was enormous, it filled an entire room and weighed over 30 tons." This incorrectly joins two independent clauses (complete thoughts) with only a comma. Each part could stand alone as a sentence: "It was enormous" and "It filled an entire room and weighed over 30 tons." To fix this, you could use a semicolon, add a coordinating conjunction after the comma ("It was enormous, and it filled..."), or split it into two sentences.
Looking at the other choices: Sentence 1 (A) is correctly structured with a simple subject-verb-object pattern and proper punctuation. Sentence 3 (B) uses correct structure with a dependent clause ("compared to even the most basic modern smartphone") properly attached to the main clause. Sentence 4 (D) is also correct, using "Nevertheless" as a transitional word followed by a properly punctuated independent clause.
Remember that independent clauses cannot be joined by commas alone—this creates a comma splice. When you see two complete thoughts separated only by a comma, that's your red flag. Always check whether each part of a sentence could stand alone, and if so, make sure they're connected with appropriate punctuation or conjunctions.
- How should the sentence be revised for correctness?
Our solar system has eight planets each one orbits the Sun in a predictable path.
Answer: Our solar system has eight planets; each one orbits the Sun in a predictable path.
This question tests your ability to fix run-on sentences by choosing the correct punctuation to join two independent clauses. When you see two complete thoughts running together without proper punctuation, you need to identify the best way to connect them.
The original sentence contains two independent clauses: "Our solar system has eight planets" and "each one orbits the Sun in a predictable path." Both could stand alone as complete sentences, so they need appropriate punctuation between them.
Answer choice B correctly uses a semicolon to join these independent clauses. A semicolon is perfect here because both clauses are closely related in meaning and have equal importance. The second clause elaborates on the first by explaining what the planets do.
Answer choice A incorrectly uses only a comma to join two independent clauses, creating a comma splice error. A comma alone is too weak to properly connect two complete thoughts. Answer choice C adds "so" without any punctuation, which creates a run-on sentence and incorrectly suggests a cause-and-effect relationship that doesn't exist in the original meaning. Answer choice D uses "comma + and," which is grammatically correct for joining independent clauses, but it changes the meaning by making the second clause seem like additional information rather than an elaboration of the first.
Remember this pattern: when you have two closely related independent clauses of equal weight, a semicolon is often the most elegant solution. Watch for comma splices on the SHSAT—they're a common trap in revision questions.
- How should the sentence below be revised?
The company announced record profits the employees, however, did not receive bonuses.
Answer: The company announced record profits; the employees, however, did not receive bonuses.
This question tests your understanding of how to properly connect two independent clauses, especially when using transitional words like "however."
The original sentence contains two complete thoughts: "The company announced record profits" and "the employees did not receive bonuses." When you have two independent clauses that need to be joined, you must use proper punctuation to avoid a run-on sentence.
Choice D correctly uses a semicolon before "the employees, however, did not receive bonuses." Semicolons are perfect for joining related independent clauses, especially when the second clause contains a transitional word like "however." The comma after "however" is also correctly placed since transitional words are typically set off by commas.
Choice A fails because it creates a comma splice—using only a comma to join two independent clauses is grammatically incorrect. Choice B attempts to fix this with "and," but this creates awkward redundancy since "and" and "however" both function as connectors, making the sentence clunky and unclear. Choice C uses "but" without a comma before it, which is incorrect when joining two independent clauses. Additionally, like choice B, it creates redundancy by using both "but" and "however" to show contrast.
When you see sentences with transitional words like "however," "therefore," or "meanwhile," look for semicolons or periods before them. These transitions typically signal the start of a new independent clause, so they need stronger punctuation than just a comma to properly separate the ideas.
- What is the best way to write the ideas in the two sentences below?
The symphony performed to a sold-out audience. The conductor received a standing ovation.
Answer: The symphony performed to a sold-out audience, and the conductor received a standing ovation.
This question tests your ability to combine two related sentences using proper punctuation and conjunctions. When you see sentences that need to be joined, you must consider both the logical relationship between the ideas and the grammatical rules for sentence combining.
The correct answer is D because it properly connects two independent clauses with a comma followed by the coordinating conjunction "and." Both sentences express related but separate complete thoughts: the symphony's performance and the conductor's reception of applause. The conjunction "and" appropriately shows that these events are connected and likely sequential - the performance led to the audience's enthusiastic response.
Choice A is incorrect because "while" suggests the two events happened simultaneously, which doesn't make logical sense. The conductor wouldn't receive a standing ovation during the performance, but rather after it concluded.
Choice B creates a comma splice error - you cannot join two independent clauses with only a comma. This violates a fundamental grammar rule and creates a run-on sentence.
Choice C produces a run-on sentence by connecting two independent clauses without any punctuation or conjunction. This makes the sentence difficult to read and grammatically incorrect.
Remember this pattern: when combining two complete sentences that express related ideas happening in sequence or as cause and effect, use a comma plus "and." Watch out for comma splices (comma only) and run-on sentences (no punctuation) - these are common traps on sentence-combining questions.
- What is the best way to combine the sentences below?
The hurricane weakened before it made landfall. The damage was less severe than predicted.
Answer: The hurricane weakened before it made landfall, so the damage was less severe than predicted.
When you're combining two related sentences, you need to choose the right connecting word and proper punctuation to show how the ideas relate to each other.
These two sentences have a cause-and-effect relationship: the hurricane weakening (cause) led to less severe damage (effect). The word "so" is the most appropriate connector because it clearly signals this causal relationship. Choice B correctly uses "so" with proper comma placement to join these independent clauses.
Let's examine why the other options fail. Choice A creates a comma splice—using only a comma to join two complete sentences without an appropriate connecting word. This is grammatically incorrect. Choice C is even worse, creating a run-on sentence with no punctuation or connecting word between the two independent clauses. Choice D uses "yet," which signals contrast or opposition, but these sentences don't present contrasting ideas—they show cause and effect instead.
The key difference is understanding what relationship exists between your ideas. "So" indicates result or consequence, "yet" shows contrast or unexpected outcomes, and using just a comma (or no punctuation) fails to properly connect independent clauses.
Study tip: When combining sentences, first identify the logical relationship (cause-effect, contrast, addition, etc.), then choose the connector that matches that relationship. Common cause-effect connectors include "so," "therefore," and "because," while contrast connectors include "but," "yet," and "however." Always ensure you're using proper punctuation with your chosen connector.
- Which revision best corrects the comma splice in the sentence below?
The museum's new exhibit is very popular, you should reserve tickets online in advance.
Answer: Because the museum's new exhibit is very popular, you should reserve tickets online in advance.
When you encounter a comma splice question, you're dealing with a fundamental sentence structure error where two independent clauses (complete thoughts) are incorrectly joined by only a comma. The original sentence contains two independent clauses: "The museum's new exhibit is very popular" and "you should reserve tickets online in advance."
Choice B correctly fixes this error by adding the subordinating conjunction "Because" at the beginning. This transforms the first clause into a dependent clause that cannot stand alone, creating a proper complex sentence with a clear cause-and-effect relationship. The comma now correctly separates the dependent clause from the independent clause.
Choice A actually makes the problem worse by removing the comma entirely, creating a run-on sentence where two independent clauses crash together without any punctuation or connecting words. Choice C attempts to fix the splice by adding the coordinating conjunction "and," which would work grammatically, but it creates an illogical relationship—the popularity and the need to reserve tickets aren't simply two related facts, but rather cause and effect. Choice D makes the same structural attempt as C but uses "but," which suggests contrast where none exists, making the sentence confusing and illogical.
Remember this pattern: comma splices can be fixed in several ways, but always consider the logical relationship between the ideas. Subordinating conjunctions like "because," "since," and "although" often provide the most precise and meaningful connections between clauses.
- Which sentence in the paragraph contains an error in its construction and should be revised?
Answer: sentence 3
When you encounter questions about sentence construction, you're looking for errors in grammar, punctuation, or sentence structure that make the writing unclear or incorrect.
Let's examine each sentence carefully. Sentence 3 contains a comma splice error: "Many animals are nocturnal to avoid the daytime heat, they have developed unique ways to conserve water." This joins two complete, independent clauses with only a comma, which is grammatically incorrect. The first clause "Many animals are nocturnal to avoid the daytime heat" and the second clause "they have developed unique ways to conserve water" could each stand alone as complete sentences. To fix this, you could use a semicolon, add a coordinating conjunction like "and," or split them into separate sentences.
Looking at the other options: Sentence 1 (A) is a simple, correctly constructed sentence with proper subject-verb agreement. Sentence 2 (B) uses the transitional word "However" correctly and maintains proper sentence structure with the phrase "upon closer inspection" appropriately placed. Sentence 4 (C) is grammatically sound with the adverb "often" correctly modifying the verb "have" and an infinitive phrase "to find moisture" properly expressing purpose.
The answer is D because sentence 3 commits the comma splice error.
Study tip: Watch for comma splices on the SHSAT—they're a common error pattern. When you see two complete thoughts joined by just a comma, that's usually your answer. Remember that independent clauses need stronger punctuation (semicolon or period) or a coordinating conjunction (and, but, or, etc.) to connect properly.
- Which sentence contains an error in punctuation and should be revised?
Answer: sentence 2
This question tests your ability to identify punctuation errors, specifically focusing on how to properly connect independent clauses.
Looking at sentence 2, you'll notice it contains two complete thoughts: "Last year, residents recycled over ten tons of material" and "this significantly reduced the amount of waste sent to the landfill." These are independent clauses (complete sentences that could stand alone), but they're incorrectly joined with just a comma. This creates a comma splice, which is a serious punctuation error. To fix this, you could use a semicolon, add a coordinating conjunction after the comma (like "and"), or split it into two sentences.
Now let's examine why the other options are incorrect. Sentence 1 (A) is punctuated correctly—it's a simple sentence with proper comma usage around the prepositional phrase. Sentence 3 (B) contains no punctuation errors; it's a straightforward sentence with correct comma placement separating the time phrase "next spring." Sentence 4 (D) is also properly punctuated as a simple sentence with no internal punctuation needed.
When you encounter punctuation questions on the SHSAT, always look for comma splices—they're common errors where two independent clauses are incorrectly joined by only a comma. Train yourself to identify independent clauses by checking if each part could stand alone as a complete sentence. If they can, make sure they're properly connected with appropriate punctuation or conjunctions.
