Past simple and past participle

proofread

Proofread is an irregular verb: its past simple is proofread and its past participle is proofread.

Base form
proofread
Past simple
proofread
Past participle
proofread
Definition
Read (printer's proofs or other written or printed material) and mark any errors.
Example
“They must revise and proofread their work.”
CEFR level
C2On the CEFR scale, from A1 (beginner) to C2 (proficient).
Pattern
All three forms are the same, like cut, cut, cut.