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ACT (English & Reading) · Free study guide

ACT (English & Reading) Study Guide

A complete, free breakdown of every ACT (English & Reading) skill — what it tests, how to approach it, and the traps that cost points. No sign-in needed; when you're ready, practice each skill with adaptive, ACT-style questions.

ACT English

Conventions of Standard English

Grammar, usage, and punctuation — sentence boundaries, agreement, verb tense, and punctuating clauses and lists.

Approach

  • Read the whole sentence (and the one before it) with each option in place — the fix must work in context, not in isolation.
  • When choices differ only in punctuation, decide what's being joined: two independent clauses need a period/semicolon (or comma + and/but), not a lone comma.
  • When options are all grammatical, the most concise one is usually right.
  • Verify subject–verb and pronoun–antecedent agreement, verb tense, and modifier placement.

Common traps

  • Choosing what 'sounds right' over what is grammatically correct.
  • A comma splice — two independent clauses joined by only a comma.

Production of Writing

Rhetorical skills: topic development, organization, and cohesion — whether a sentence belongs, where it goes, and whether it meets the writer's goal.

Approach

  • For add/delete questions, re-read the stated purpose and keep only what serves it — relevance beats 'interesting'.
  • For placement or ordering, follow the logical/chronological thread; transitions and pronouns point to what must come before.
  • For opening and closing sentences, match the paragraph's focus and the passage's overall goal.

Common traps

  • Keeping a sentence because it's true or interesting when it doesn't serve the stated goal.
  • An option that fits locally but breaks the paragraph's flow.

Knowledge of Language

Style and word choice: concision, precise diction, consistent tone, and avoiding redundancy.

Approach

  • Cut redundancy — if two words say the same thing, keep one.
  • Match the passage's tone and register; avoid options that are too casual or too ornate.
  • Prefer the precise, idiomatic word over a vague or wordy phrase.

Common traps

  • Wordy or redundant options that are grammatical but not concise.
  • A word that subtly shifts the tone or the intended meaning.

ACT Reading

Key Ideas & Details

Central idea, summary, explicit details, and supported inferences drawn from the passage.

Approach

  • For main idea, ask what claim runs through the WHOLE passage, not just one paragraph.
  • For detail questions, return to the exact lines — answer from the text, not memory.
  • An inference must be forced by the passage; if it needs outside facts, it's wrong.

Common traps

  • Choices true in the real world but not stated or supported by the passage.
  • Over-broad or over-narrow statements mistaken for the central idea.

Craft & Structure

Word and phrase meaning in context, text structure, point of view, and an author's purpose or rhetorical choices.

Approach

  • For vocabulary-in-context, substitute each choice and test the sentence — ignore the word's most common meaning.
  • Ask what a sentence or paragraph DOES (introduce, contrast, illustrate), not only what it says.
  • Track shifts in point of view or tone that reveal the author's purpose.

Common traps

  • Picking a word's everyday definition instead of the meaning the context demands.
  • Confusing what the text says with what it's doing structurally.

Integration of Knowledge & Ideas

Analyzing arguments and evidence, how claims are supported, and comparing or synthesizing multiple texts.

Approach

  • Separate a claim from its evidence, then check whether the evidence actually supports the claim.
  • For paired passages, pin down each author's position before comparing agreement or conflict.
  • Weigh how a new piece of information would strengthen or weaken the argument.

Common traps

  • Treating a stated opinion as established fact (or vice versa).
  • Attributing one passage's view to the other in paired-text questions.

Guides for other exams

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