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Home > Reference > Irregular Verbs > Undergo

Irregular Verb - To Undergo

Meaning:

To suffer or go through an unpleasant experience, such as surgery

Conjugation of 'To Undergo'

Base Form:	Undergo
Past Simple:	Underwent
Past Participle:	Undergone
3rd Person Singular:	Undergoes
Present Participle/Gerund:	Undergoing

Other Irregular Verbs Following a Similar Pattern:

Base Form	Past Simple	Past Participle
Go	Went	Gone/Been