Punctuation AI Prompts

Determine whether the Oxford comma belongs in a sentence's list, applying APA, MLA, Chicago, or AP style rules and flagging genuine ambiguity risk.

Explain when to use the hyphen, en dash, and em dash, and check a passage for mismatches among the three marks.

Find every apostrophe error in a passage, including wrong possessives, mixed-up contractions, and misformatted decades, then quote each mistake with the rule it broke.