English verb conjugation
TO JACKKNIFE
Regular verb: jackknife - jackknifed - jackknifed
Present | Present continuous | Preterite | Preterite continuous |
| do I not jackknife? do you not jackknife? does she not jackknife? do we not jackknife? do you not jackknife? do they not jackknife? | am I not jackknifing? are you not jackknifing? is she not jackknifing? are we not jackknifing? are you not jackknifing? are they not jackknifing? | did I not jackknife? did you not jackknife? did she not jackknife? did we not jackknife? did you not jackknife? did they not jackknife? | was I not jackknifing? were you not jackknifing? was she not jackknifing? were we not jackknifing? were you not jackknifing? were they not jackknifing? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| have I not jackknifed? have you not jackknifed? has she not jackknifed? have we not jackknifed? have you not jackknifed? have they not jackknifed? | have I not been jackknifing? have you not been jackknifing? has she not been jackknifing? have we not been jackknifing? have you not been jackknifing? have they not been jackknifing? | had I not jackknifed? had you not jackknifed? had she not jackknifed? had we not jackknifed? had you not jackknifed? had they not jackknifed? | had I not been jackknifing? had you not been jackknifing? had she not been jackknifing? had we not been jackknifing? had you not been jackknifing? had they not been jackknifing? |
Future | Future continuous | Future perfect | Future perfect continuous |
| will I not jackknife? will you not jackknife? will she not jackknife? will we not jackknife? will you not jackknife? will they not jackknife? | will I not be jackknifing? will you not be jackknifing? will she not be jackknifing? will we not be jackknifing? will you not be jackknifing? will they not be jackknifing? | will I not have jackknifed? will you not have jackknifed? will she not have jackknifed? will we not have jackknifed? will you not have jackknifed? will they not have jackknifed? | will I not have been jackknifing? will you not have been jackknifing? will she not have been jackknifing? will we not have been jackknifing? will you not have been jackknifing? will they not have been jackknifing? |
Present | Present continuous | Past | Past continuous |
| would I not jackknife? would you not jackknife? would she not jackknife? would we not jackknife? would you not jackknife? would they not jackknife? | would I not be jackknifing? would you not be jackknifing? would she not be jackknifing? would we not be jackknifing? would you not be jackknifing? would they not be jackknifing? | would I not have jackknifed? would you not have jackknifed? would she not have jackknifed? would we not have jackknifed? would you not have jackknifed? would they not have jackknifed? | would I not have been jackknifing? would you not have been jackknifing? would she not have been jackknifing? would we not have been jackknifing? would you not have been jackknifing? would they not have been jackknifing? |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to jackknife | - - - |
Present | Past | ||
| jackknifing | jackknifed |