Irregular verb: undertake - undertook - undertaken
Present | Present continuous | Preterite | Preterite continuous |
do I undertake? do you undertake? does she undertake? do we undertake? do you undertake? do they undertake? | am I undertaking? are you undertaking? is she undertaking? are we undertaking? are you undertaking? are they undertaking? | did I undertake? did you undertake? did she undertake? did we undertake? did you undertake? did they undertake? | was I undertaking? were you undertaking? was she undertaking? were we undertaking? were you undertaking? were they undertaking? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
have I undertaken? have you undertaken? has she undertaken? have we undertaken? have you undertaken? have they undertaken? | have I been undertaking? have you been undertaking? has she been undertaking? have we been undertaking? have you been undertaking? have they been undertaking? | had I undertaken? had you undertaken? had she undertaken? had we undertaken? had you undertaken? had they undertaken? | had I been undertaking? had you been undertaking? had she been undertaking? had we been undertaking? had you been undertaking? had they been undertaking? |
Future | Future continuous | Future perfect | Future perfect continuous |
will I undertake? will you undertake? will she undertake? will we undertake? will you undertake? will they undertake? | will I be undertaking? will you be undertaking? will she be undertaking? will we be undertaking? will you be undertaking? will they be undertaking? | will I have undertaken? will you have undertaken? will she have undertaken? will we have undertaken? will you have undertaken? will they have undertaken? | will I have been undertaking? will you have been undertaking? will she have been undertaking? will we have been undertaking? will you have been undertaking? will they have been undertaking? |
Present | Present continuous | Past | Past continuous |
would I undertake? would you undertake? would she undertake? would we undertake? would you undertake? would they undertake? | would I be undertaking? would you be undertaking? would she be undertaking? would we be undertaking? would you be undertaking? would they be undertaking? | would I have undertaken? would you have undertaken? would she have undertaken? would we have undertaken? would you have undertaken? would they have undertaken? | would I have been undertaking? would you have been undertaking? would she have been undertaking? would we have been undertaking? would you have been undertaking? would they have been undertaking? |
Infinitive | Imperative |
Infinitive | Imperative | ||
to undertake | - - - |
Present | Past | ||
undertaking | undertaken |