TACHS Written Expression • Standard English: Improving Writing

Choose the most appropriate way to express ideas in a piece of writing

Learn how to pick the clearest, most precise words and sentences to make your writing shine.

TACHS illustration with a Catholic high school, reading book, and math calculator
Inside this lesson 10 sections 5 questions 4 figures

SECTION 1

Why Does Word Choice Matter?

People have cared about clear writing for thousands of years. In ancient Greece and Rome, students studied rhetoric (the art of using language effectively). They learned that how you say something matters just as much as what you say. Over time, writers and teachers kept improving the rules for good writing.

350 BC • Aristotle Teaches Rhetoric

The Greek philosopher Aristotle wrote a guide on how to persuade people with clear, well-chosen words. He taught that the best writing matches its audience.

1755 • First Major English Dictionary

Samuel Johnson published a dictionary that helped writers pick the right word for the right situation. Having exact definitions made precise writing easier.

1918 • The Elements of Style

Professor William Strunk Jr. published a tiny book with powerful advice: "Omit needless words." This book is still used today to teach students to write clearly.

Today • Standardized Tests and Clear Writing

Tests like the TACHS ask you to choose the best way to express an idea. This skill helps you in school, in jobs, and in everyday life.

So here is the big question: when you have several ways to write the same idea, how do you pick the best one? That is exactly what this lesson will teach you.

SECTION 2

Core Principles of Strong Expression

Good writing follows a few key rules. When you understand these rules, choosing the best way to express an idea becomes much easier. Let's look at the four big principles.

1

Clarity

The reader should understand your meaning on the first read. Avoid confusing sentences and vague words. Say exactly what you mean.
2

Conciseness

Use only the words you need. Cut out filler phrases like "due to the fact that" and replace them with simpler words like "because."
3

Precision

Choose specific words over general ones. Instead of saying "the dog moved," say "the dog sprinted" or "the dog limped." Precise words paint a clearer picture.
4

Tone & Audience

Match your language to who is reading. A note to a friend sounds different from an essay for your teacher. Always think about your audience.
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KEY TAKEAWAY

Think of writing like picking an outfit. You would not wear a swimsuit to a job interview or a tuxedo to the beach. In the same way, you pick words and sentences that fit the situation. The best expression is the one that is clear, direct, specific, and right for your audience.

SECTION 3

The Expression Decision Flowchart

When you face a question asking you to choose the best way to express an idea, follow this flowchart. It walks you through the key questions to ask yourself every time.

HOW TO CHOOSE THE BEST EXPRESSIONRead all the choicesStep 1: Is it CLEAR?Can you understand it on the first read?Step 2: Is it CONCISE?Are there unnecessary words?Step 3: Is it PRECISE?Does it use specific, vivid words?Step 4: Does it fit the TONE?Is the language right for the audience?✓ Best Answer!Eliminate confusingor awkward choicesRemove wordy orredundant options
Use these four steps — clarity, conciseness, precision, and tone — to filter your choices and find the best answer.

Start at the top. Read every answer choice. Then check each one against the four steps. If a choice is confusing, cross it out. If it uses too many words, cross it out. Keep going until you find the choice that passes all four checks.

SECTION 4

How Expression Choices Work on the TACHS

On the TACHS, you will see a short passage with an underlined sentence or phrase. Below it, you will find several answer choices. Your job is to pick the option that expresses the idea in the clearest, most effective way. Let's look at the common traps the test uses.

Common Traps to Watch For

  • Wordiness — Extra words that do not add meaning. Example: "at this point in time" instead of "now."
  • Redundancy — Saying the same thing twice. Example: "free gift" (all gifts are free).
  • Vague language — Words that are too general. Example: "stuff" instead of "supplies" or "equipment."
  • Wrong tone — Language that does not match the passage. Using slang in a formal essay, or stiff language in a friendly letter.
  • Awkward phrasing — Sentences that sound unnatural when you read them aloud. If you stumble over it, it is probably wrong.
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Pro Tip

Read each answer choice out loud in your head. The best answer almost always sounds the most natural. If a sentence feels clunky or hard to follow, it is probably not the right choice.

SECTION 5

Types of Expression Improvements

There are several common ways a sentence can be improved. The diagram below shows five types of revisions you will see on the test. Understanding each type helps you spot the best answer faster.

FIVE TYPES OF EXPRESSION IMPROVEMENTS1. Cut WordinessBEFORE: "Due to the fact that it rained"AFTER: "Because it rained"2. Remove RedundancyBEFORE: "She repeated it again"AFTER: "She repeated it"3. Use Precise WordsBEFORE: "The dog went down the street"AFTER: "The dog darted down the street"4. Fix Awkward PhrasingBEFORE: "The project, it was hard to do it"AFTER: "The project was difficult"5. Match the ToneBEFORE (formal essay): "That idea is totally awesome"AFTER: "That idea is impressive"REMEMBERThe best answer is usually the SHORTEST choice that keeps the full meaningand sounds natural when you read it aloud.
Each card shows a before-and-after example. Notice how the improved version is almost always shorter and more specific.

When you read the answer choices on the TACHS, ask yourself which type of improvement each option is trying to make. Often, only one choice fixes the problem without creating a new one.

SECTION 6

Worked Example: Picking the Best Expression

Let's walk through a TACHS-style question step by step. Here is a sentence from a student essay:

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Sample Sentence

"The reason why many students enjoy reading books is because of the fact that stories allow them to use their imaginations."

Which of the following is the best way to rewrite this sentence?

  • (A) Many students enjoy reading because stories let them use their imaginations.
  • (B) The reason for many students enjoying reading books is because stories allow them to imagine things.
  • (C) Students enjoy reading books because of the fact that stories make them imagine.
  • (D) Many students, they like reading books because the stories, they let them imagine stuff.

Step-by-Step Solution

  1. 1

    Step 1 — Check for Clarity

    Read each choice. Choice (D) is awkward because of "they" appearing twice. Choice (B) starts with "The reason for," which is clunky. Choices (A) and (C) are both clear.
    Eliminate (D) — it is confusing and awkward.
  2. 2

    Step 2 — Check for Conciseness

    Choice (B) uses "The reason for" and "is because," which is wordy. Choice (C) uses "because of the fact that," which adds unnecessary words. Choice (A) uses just "because."
    Eliminate (B) and (C) — both are wordy.
  3. 3

    Step 3 — Check for Precision

    Choice (A) says "stories let them use their imaginations." This is specific and natural. It paints a clear picture of what happens when students read.
    Choice (A) uses precise, strong language.
  4. 4

    Step 4 — Check the Tone

    This is a student essay, so the tone should be somewhat formal. Choice (A) is polished but not stiff. It fits the context perfectly.
    Answer: (A) — It is clear, concise, precise, and matches the tone.

SECTION 7

Comparing Strong and Weak Expressions

The table below puts weak and strong expressions side by side. Study the patterns. Notice that the strong version is almost always shorter and uses stronger verbs.

Weak ExpressionStrong ExpressionWhy It's Better
"At this point in time""Now"Cuts five words down to one
"In spite of the fact that""Although"One word replaces six
"She is a person who works hard""She works hard"Removes empty filler
"The food was good""The food was delicious"Uses a more precise adjective
"He went quickly to the store""He rushed to the store"A strong verb replaces adverb + weak verb
"There are many students who enjoy soccer""Many students enjoy soccer"Removes the "there are...who" construction

Weak vs. Strong Expression Comparison

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KEY TAKEAWAY

Think of weak expressions like weeds in a garden. They crowd out the flowers (your good ideas). Pulling the weeds — cutting unnecessary words and using stronger ones — lets your ideas bloom so the reader can actually see them.

SECTION 8

From Test Questions to Real-World Writing

Choosing the best expression is not just a test skill. You will use it every time you write an email, a school report, or even a text message. The table below shows how this skill grows as you move into high school and beyond.

Skill LevelWhat You Do NowWhat Comes Next
Word ChoicePick specific words over vague onesLearn to use figurative language, like metaphors and analogies
Sentence StructureFix awkward and wordy sentencesVary sentence length for rhythm and emphasis
ToneMatch language to your audienceShift tone within a piece to create mood and persuasion
RevisionChoose the best option from a listRevise your own drafts independently

Current Skills vs. Advanced Skills

The skills you practice now are building blocks. Every time you pick the clearest, most concise answer on the TACHS, you are training your brain to write better in the future.

SECTION 9

Practice Problems

Try these five problems on your own. For each one, pick the answer that expresses the idea in the clearest, most effective way. Then check your answer.

Question 1: CONCEPTUAL

Which of the following is the best revision of this sentence? "The dog was big in size and brown in color." (A) The dog was big and brown in color. (B) The big, brown dog was large. (C) The dog was big and brown. (D) The dog, which was big in its size, was brown.
Show answer
Answer: (C). The phrases "in size" and "in color" are redundant. If something is "big," we already know that refers to size. If something is "brown," we already know that refers to color. Choice (C) removes both unnecessary phrases while keeping the full meaning. Choices (A) and (D) still contain redundancy, and (B) says "big" and "large," which mean the same thing.

Question 2: BASIC

Which is the best way to rewrite this sentence? "There are several students in our class who have a love of science." (A) Several students in our class love science. (B) There are several students who, in our class, love science. (C) Several students in our class have a love for the study of science. (D) In our class, there are students, several of them, who love science.
Show answer
Answer: (A). The original sentence uses the weak "there are...who" construction and the wordy phrase "have a love of." Choice (A) fixes both problems by going straight to the subject ("Several students") and using the strong verb "love." Choices (B) and (D) are more awkward than the original, and (C) makes the wordiness worse by adding "for the study of."

Question 3: INTERMEDIATE

Read this passage from a formal report: "The new park is totally awesome and will be a super cool place for families." Which revision best matches the tone of a formal report? (A) The new park is pretty great and families will think it's cool. (B) The new park will provide an excellent recreational space for families. (C) The new park is so amazing and families are going to love hanging out there. (D) The new park, it is really nice for families to go to.
Show answer
Answer: (B). A formal report requires professional language. Words like "totally awesome" and "super cool" are too casual. Choice (B) replaces them with "excellent" and "recreational space," which fit the formal tone. Choices (A) and (C) are still too informal, and (D) is awkward because of the unnecessary "it." Always match your language to the type of writing.

Question 4: APPLIED

A student wrote this in a persuasive essay: "Students should be allowed to have phones because phones help students in a lot of different ways and can be used for many various things that are useful." Which revision is most effective? (A) Students should have phones because they help in lots of ways. (B) Students should be allowed to carry phones because these devices help with research, organization, and communication. (C) Phones should be allowed because they are useful for many things that students can use them for. (D) Students should have phones at school because of the fact that phones can be used for stuff.
Show answer
Answer: (B). The original sentence is vague — it says phones help "in a lot of different ways" but never says what those ways are. Choice (B) fixes this by giving three specific examples: research, organization, and communication. This makes the argument much more persuasive. Choice (A) is still vague, (C) is circular ("use them for"), and (D) uses the filler phrase "due to the fact that" and the vague word "stuff."

Question 5: CRITICAL THINKING

A student is writing a narrative story and wrote: "Maria went into the dark room. She was scared. Everything was quiet. She moved forward slowly." Which revision creates the strongest imagery while keeping the meaning? (A) Maria walked into the dark room, scared and hearing nothing, moving slowly forward. (B) Maria crept into the shadowy room, her heart pounding as silence pressed against her ears. (C) Maria entered the room. It was dark. She felt scared because it was quiet. She walked. (D) Being scared, Maria went into the room that was dark and quiet and she moved slowly.
Show answer
Answer: (B). In narrative writing, strong expression means using vivid, precise language. Choice (B) replaces "went" with "crept" (showing fear through action), "dark" with "shadowy" (more visual), and shows her fear through "her heart pounding" instead of just telling us "she was scared." The phrase "silence pressed against her ears" turns quiet into something the reader can feel. Choice (A) is grammatically fine but bland. Choice (C) is choppy and dull. Choice (D) starts with an awkward dangling phrase. In stories, show, don't tell — that is what makes (B) the best answer.

SUMMARY

Lesson Summary

Summary

Choosing the best way to express an idea means checking every option against four key principles: clarity (the reader understands right away), conciseness (no unnecessary words), precision (specific, vivid language), and appropriate tone (language that matches the audience and purpose). On the TACHS, watch out for common traps like wordiness, redundancy, vague language, and awkward phrasing.

When in doubt, remember: the best answer is usually the shortest choice that keeps the full meaning and sounds natural when read aloud. Use strong verbs, cut filler phrases, and always think about who will be reading your work. These skills will help you not just on the TACHS but in all your future writing.

Varsity Tutors • TACHS Written Expression • Choose the most appropriate way to express ideas in a piece of writing