AgentDock
1.7k

Grammar AI Prompts

33 free grammar prompts for ChatGPT, Claude, and Gemini. Every template ships with smart variables, ready to copy or run directly in the AgentDock editor.

Gerund Identifier

Identifies every gerund and present participle in a pasted passage, labels each -ing word's grammatical role, and separates the two forms with a clear test.

Writing
187 uses

Grammar Checker

Find and fix grammar, spelling, punctuation, and style errors with detailed explanations and suggestions for clearer writing

Writing
172 uses

Disinterested vs Uninterested Explainer

Explain whether disinterested or uninterested fits a sentence, check existing text for the swap, and clarify the impartial-versus-bored test behind this often-confused pair.

Writing
163 uses

Compound Subject and Predicate Identifier

Tag every compound subject and compound predicate in a passage, quote the words forming each one, and apply the clause and agreement tests.

Writing
159 uses

Appositive Identifier

Identify every appositive in a passage and determine whether it needs commas using the essential versus nonessential removal test.

Writing
147 uses

Elicit vs Illicit Explainer

Explain whether elicit or illicit fits a sentence, check existing text, and clarify why illicit cannot take a direct object like elicit can.

Writing
145 uses

Dependent Clause Identifier

Explain and label every dependent clause in a passage, naming each clause's type as adverb, adjective, or noun clause and the independent clause it modifies.

Writing
127 uses

Sentence Rewriter

Transform any sentence with multiple rewritten alternatives tailored to your specific tone, audience, and purpose while preserving the original meaning

Writing
120 uses

Participle Identifier

Identify every participle in a passage, labeling present and past forms as adjectives or verb-tense builders, and distinguish them from gerunds and dangling modifiers.

Writing
117 uses

Parts of Speech Identifier

Label the part of speech of every word in a passage, covering all nine word classes, and explain why words like run shift class.

Writing
116 uses

Moral vs Morale Explainer

Determine whether moral or morale fits a sentence by testing if it concerns ethics or team spirit, including the plural morals exception.

Writing
110 uses

Everyday vs Every Day Explainer

Explain whether everyday or every day fits a sentence, check existing text, and clarify the each-day substitution test behind this common mix-up.

Writing
105 uses

Prepositional Phrase Identifier

Identify every prepositional phrase in a passage, classify each as adjective or adverb, and flag subject-verb agreement traps like 'one of the boys'.

Writing
102 uses

Active Voice Converter

Transform passive voice sentences into clear, direct active voice while preserving meaning and identifying when passive voice is intentionally appropriate

Writing
96 uses

SAT Reading and Writing Practice Generator

Generate digital SAT Reading and Writing practice passages across all four real domains with a domain tagged answer key.

Test Prep
92 uses

Precede vs Proceed Explainer

Determine whether precede or proceed fits a sentence by testing order versus forward motion, including the preposition proceed almost always needs.

Writing
82 uses

Language Learning Helper

Get personalized language practice, explanations, and study strategies for any language

Study
80 uses

Clause vs Phrase Explainer

Explain whether each group of words in a passage is a clause or a phrase using the subject-and-verb test, and name the specific type.

Writing
77 uses

German Vocabulary Flashcard Generator

Build German vocabulary flashcards with gender-marked articles, spelled-out irregular plurals, and an optional case-declension drill across all four cases

Study
77 uses

Homophones Checker

Catch misused homophones like their, there, and they're in your writing, or look up any word's homophones with meanings, example sentences, and a memory trick

Reading
77 uses

Direct and Indirect Object Identifier

Explain and label the direct and indirect objects in a passage, using the verb-plus-what test to separate them from subject complements and prepositional phrases.

Writing
73 uses

Gerund vs Infinitive Explainer

Checks governing verbs in a passage for correct gerund or infinitive use and sorts them into gerund-only, infinitive-only, either-works, and meaning-changing groups.

Writing
71 uses

Count and Noncount Nouns Explainer

Find every count and noncount noun error in a passage, a wrong plural, article, or quantifier, and explain why that noun is noncount in English.

Writing
64 uses

GED RLA Practice Generator

Generate GED RLA practice questions on reading comprehension, grammar conventions, and vocabulary in context with a full answer key

Test Prep
61 uses

Passed vs Past Explainer

Determine whether passed or past fits a sentence by testing if the word functions as a verb, including the preposition sense meaning beyond.

Writing
57 uses

Sentence Types Identifier

Analyze any sentence or passage to identify its type, simple, compound, complex, or compound-complex by structure, and by purpose

Reading
57 uses

Language Class Vocab Flashcards From Notes

Build language vocabulary flashcards with part of speech, a full example sentence, and conjugation or declension patterns instead of a bare translation

Study
54 uses

Breath vs Breathe Explainer

Explain whether breath or breathe fits a sentence using a thing-versus-action test, then flag the common dropped-final-E error in short commands like just breathe.

Writing
54 uses

Period English Comparison Generator

Analyze a period English passage against modern English across vocabulary, grammar, word order, and spelling to reveal how the language shifted

Reading
49 uses

Praxis Core Writing Practice Generator

Generate original Praxis Core Writing practice covering grammar questions and both timed essays with a full scoring rubric.

Test Prep
44 uses

Spanish Vocabulary Flashcard Generator

Build Spanish vocabulary flashcards with gender-marked articles, false friend warnings, and an optional verb conjugation drill matched to your CEFR level

Study
38 uses

ACT English Practice Generator

Generate ACT English practice questions across all three reporting categories with underlined-passage format and a built-in pacing drill

Test Prep

SAT Grammar Practice Generator

Generate SAT Standard English Conventions practice questions covering punctuation, agreement, verb tense, and modifier rules with an answer key.

Test Prep

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