English verb conjugation
TO UNDERGO

Irregular verb: undergo - underwent - undergone

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I not undergo? do you not undergo? does he not undergo? do we not undergo? do you not undergo? do they not undergo?	am I not undergoing? are you not undergoing? is he not undergoing? are we not undergoing? are you not undergoing? are they not undergoing?	did I not undergo? did you not undergo? did he not undergo? did we not undergo? did you not undergo? did they not undergo?	was I not undergoing? were you not undergoing? was he not undergoing? were we not undergoing? were you not undergoing? were they not undergoing?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I not undergone? have you not undergone? has he not undergone? have we not undergone? have you not undergone? have they not undergone?	have I not been undergoing? have you not been undergoing? has he not been undergoing? have we not been undergoing? have you not been undergoing? have they not been undergoing?	had I not undergone? had you not undergone? had he not undergone? had we not undergone? had you not undergone? had they not undergone?	had I not been undergoing? had you not been undergoing? had he not been undergoing? had we not been undergoing? had you not been undergoing? had they not been undergoing?
Future	Future continuous	Future perfect	Future perfect continuous
will I not undergo? will you not undergo? will he not undergo? will we not undergo? will you not undergo? will they not undergo?	will I not be undergoing? will you not be undergoing? will he not be undergoing? will we not be undergoing? will you not be undergoing? will they not be undergoing?	will I not have undergone? will you not have undergone? will he not have undergone? will we not have undergone? will you not have undergone? will they not have undergone?	will I not have been undergoing? will you not have been undergoing? will he not have been undergoing? will we not have been undergoing? will you not have been undergoing? will they not have been undergoing?

Conditional

Present	Present continuous	Past	Past continuous
would I not undergo? would you not undergo? would he not undergo? would we not undergo? would you not undergo? would they not undergo?	would I not be undergoing? would you not be undergoing? would he not be undergoing? would we not be undergoing? would you not be undergoing? would they not be undergoing?	would I not have undergone? would you not have undergone? would he not have undergone? would we not have undergone? would you not have undergone? would they not have undergone?	would I not have been undergoing? would you not have been undergoing? would he not have been undergoing? would we not have been undergoing? would you not have been undergoing? would they not have been undergoing?

Infinitive

Imperative

Infinitive		Imperative
to undergo		- - -

Participle

Present	Past
undergoing	undergone