Punctuation test
Find missing commas, incorrect apostrophes, and semicolon misuse in formal documents.
Grammar ErrorsMost Common
Spelling ErrorsEntry Level
PunctuationEditorial
Factual ErrorsAdvanced
Full Edit ModeExpert
Punctuation
0 of 0 editsClick a word that contains an error and type the correction. Only change what you can name; you have a limited number of edits.
How this test is scored
Each answer is checked against the planted error. Your score is the share of errors you correct exactly.
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Other formats
Grammar ErrorsFind subject-verb disagreements, tense shifts, and structural grammar issues in professional text.
Spelling ErrorsSpot misspellings and transpositions — the most basic proofreading skill employers test.
Factual ErrorsIdentify factual inconsistencies and logical errors — numbers, dates, and claims that don't add up.
Full Edit ModeComplete editorial review — grammar, spelling, punctuation, and style all at once.