Prompt Library

Determine whether altogether or all together fits a sentence by testing a completely or entirely substitution, and apply a move-the-word diagnostic for borderline cases.

Find every missing, wrong, or unnecessary article in a passage, correct it using the word's actual sound rather than its first letter.

Determine whether affect or effect fits a sentence, test action versus thing, and cover the rare psychology noun affect and verb sense of effect.

Find every who and whom in a text, correct mismatched grammatical roles, and prove each call with the he-or-him substitution test.

Identify which of six meanings, ability, permission, possibility, necessity, advice, or future intent, a modal or semi-modal verb carries in a sentence.

Determine whether born or borne fits a sentence by testing for the passive act of birth versus other senses of to bear.

Explain the difference between farther and further with the physical-versus-figurative distance test, or check a passage for misuse, including further's verb-only meaning.

Decides whether imply or infer fits a sentence by testing who is doing the work, the speaker hinting or the listener drawing a conclusion.

Find verbs that break a passage's dominant tense, name the anchor tense, and correct inconsistencies while recognizing legitimate shifts like dialogue and flashbacks.

Decides whether loose or lose fits a sentence by testing whether the word describes or acts, and explains the s-sound versus z-sound pronunciation trap.

Find pronoun-antecedent agreement errors, name the mismatched pronoun and antecedent, explain the rule, and provide corrected sentences covering indefinite pronouns, compound antecedents, and collective nouns.

Explain whether weather or whether fits a sentence, prove the call with an if-substitution test, and cover the verb sense of weather.

Identify every subordinating conjunction in a text, quote the dependent clause each one opens, name the relationship it signals, and check comma placement.

Finds every linking verb and helping verb in a passage, proves each call with the separating test, and flags double-duty verbs that swing between roles.

Check writing for subject-verb agreement errors, name the rule that applies, and produce corrected sentences covering intervening phrases and collective nouns.

Decides whether lay or lie fits a sentence by testing whether a direct object is being placed down, and untangles their past-tense overlap.

Decides whether historic or historical fits a sentence by testing whether it claims lasting significance or only places something in the past.

Determine whether accept or except fits a sentence, test receiving versus excluding, and explain the except for construction and the rare verb use of except.

Checks a passage or word against the full I-before-E spelling rule and separates genuine exceptions from words that only look exceptional.

Determine whether awhile or a while fits a sentence using the preposition test, with for a while as the safe fallback.

Flag every suppose to and use to error, restore the missing D, and explain when bare suppose or use is actually correct in a sentence.

Explain grammar errors and corrections in a Spanish, French, German, Portuguese, or Russian sentence, with the reasoning behind each fix.