PSAT Writing › Identifying Punctuation Errors: Comma Splices
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
Thomas had always struggled with trigonometry, he thought that circles should remain circles and let triangles and squiggles be their own shapes. No error
trigonometry, he
had always struggled
should remain
their
No error
This sentence is an example of a run-on or comma splice. It has two independent clauses separated only by a comma. One way to fix this is to change the comma to a semicolon; if this were to be done, the corrected sentence would read, "Thomas had always struggled with trigonometry; he thought that circles should remain circles and let triangles and squiggles be their own shapes."
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
The city’s youth take great pride in the local music scene, there are popular concerts every weekend. No error
scene, there
city's youth
great pride in
every
No error
This sentence has a comma splice, which means that it has two independent clauses separated only by a comma. A semicolon is appropriate here. The corrected sentence reads, "The city’s youth take great pride in the local music scene; there are popular concerts every weekend."
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
I stayed up late last night baking chocolate chip cookies, this morning when I woke up the house smelled so good that it made me hungry. No error
cookies,
stayed up late
smelled so good
No error
baking
This is a run-on sentence. The two independent clauses need to be split into two separate sentences, or separated by a semicolon.
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
Car, bicycle, and bus are the only means of transportation in this city, there is no metro system available yet. No error
city, there
bus are
available yet
No error
only
A comma should only be used to separate an independent clause from a dependent clause: here it is separating two independent clauses, so a period or semi-colon is more appropritate.
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
The eldest male dog became awfully selfish during feeding time, he would not even let his own pups get a scrap of food. No error
time, he
eldest
awfully
feeding
No error
Two independent clauses that can each stand alone must be separated by either a period or a semicolon, or connected by a comma followed by a conjunction. Because this sentence doesn't include a conjunction like "and" after its comma, it is incorrect. (This error, where two independent clauses are incorrectly connected by a comma, is known as a "comma splice.")
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
Anna, questioning her decision, looked to her brother, however he wouldn't meet her eye. No error
brother, however
Anna, questioning
decision, looked
No error
wouldn't meet
The clause, "however, he wouldn't meet her eye," is an independent clause and must be separated by a semicolon or a coordinating conjunction.
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
The kids at the pumpkin patch screeched and spun around in circles all day, they bothered their teacher tremendously. No error
day, they
screeched
in circles
tremendously
No error
This is an example of a comma splice. The two independent clauses should be separated by a period, a semi-colon, or a comma and a conjunction, not by just a comma, which is used to separate independent and dependent clauses.