English verb conjugation

undo

irregular
"To reverse the effects of an action, To unfasten, To unfasten the clothing of" — irregular English verb
Save undo & remember it — free

Indicative

Present
3sgundoes

Non-finite

Past participle
undone
Present participle
undoing

What is Word Holder? A vocabulary tracker with built-in spaced-repetition review. Save irregular verbs while reading and the app schedules them for review so the forms actually stick — no flashcards to make.

Save undo & remember it — free

Free — no account needed to start.

Spotted a mistake in this conjugation? Report an issue →

Conjugation data from Kaikki.org (extracted from English Wiktionary), licensed CC BY-SA 4.0.