Irregular verb: undergo - underwent - undergone
Present | Present continuous | Preterite | Preterite continuous |
do I undergo? do you undergo? does he undergo? do we undergo? do you undergo? do they undergo? | am I undergoing? are you undergoing? is he undergoing? are we undergoing? are you undergoing? are they undergoing? | did I undergo? did you undergo? did he undergo? did we undergo? did you undergo? did they undergo? | was I undergoing? were you undergoing? was he undergoing? were we undergoing? were you undergoing? were they undergoing? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
have I undergone? have you undergone? has he undergone? have we undergone? have you undergone? have they undergone? | have I been undergoing? have you been undergoing? has he been undergoing? have we been undergoing? have you been undergoing? have they been undergoing? | had I undergone? had you undergone? had he undergone? had we undergone? had you undergone? had they undergone? | had I been undergoing? had you been undergoing? had he been undergoing? had we been undergoing? had you been undergoing? had they been undergoing? |
Future | Future continuous | Future perfect | Future perfect continuous |
will I undergo? will you undergo? will he undergo? will we undergo? will you undergo? will they undergo? | will I be undergoing? will you be undergoing? will he be undergoing? will we be undergoing? will you be undergoing? will they be undergoing? | will I have undergone? will you have undergone? will he have undergone? will we have undergone? will you have undergone? will they have undergone? | will I have been undergoing? will you have been undergoing? will he have been undergoing? will we have been undergoing? will you have been undergoing? will they have been undergoing? |
Present | Present continuous | Past | Past continuous |
would I undergo? would you undergo? would he undergo? would we undergo? would you undergo? would they undergo? | would I be undergoing? would you be undergoing? would he be undergoing? would we be undergoing? would you be undergoing? would they be undergoing? | would I have undergone? would you have undergone? would he have undergone? would we have undergone? would you have undergone? would they have undergone? | would I have been undergoing? would you have been undergoing? would he have been undergoing? would we have been undergoing? would you have been undergoing? would they have been undergoing? |
Infinitive | Imperative |
Infinitive | Imperative | ||
to undergo | - - - |
Present | Past | ||
undergoing | undergone |