Prompt Library

Detects which spelling variety a passage uses, converts between gray and grey, and explains the regional split, including fixed exceptions like Earl Grey tea.

Explain whether canceled or cancelled fits a sentence using the stress-pattern rule for -el verbs, and convert text between American and British spelling.

Explain whether story or storey fits a sentence, convert text between English varieties, and cover the meaning test behind the British-only storey spelling.

Find misused then and than in writing, verify a single sentence, and explain the comparison-versus-sequence test that keeps the two words straight.

Detects whether a passage follows American or British license and licence conventions, checks whether the noun-verb split was applied correctly, and converts text between conventions.

Check or convert American and British spelling of program and programme, and explain the computing exception that keeps program in British English.

Explain whether text uses American or British spelling, convert between the two varieties, and cover the -er/-re pattern behind theater and theatre.

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

Explain whether stationary or stationery fits a sentence using the stationERy-is-for-letters test, and cover the abstract not-moving sense of stationary.

Explain whether text uses American or British spelling for the wheel-covering noun, convert between varieties, and cover why the exhaustion verb tire never changes.

Detects whether a passage uses American or British jewelry spelling, converts between the two including compounds, and explains the letter-dropping pattern and noncount-noun rule.

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

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.