English verb conjugation
TO JACKKNIFE
Regular verb: jackknife - jackknifed - jackknifed
Present | Present continuous | Preterite | Preterite continuous |
| do I jackknife? do you jackknife? does he jackknife? do we jackknife? do you jackknife? do they jackknife? | am I jackknifing? are you jackknifing? is he jackknifing? are we jackknifing? are you jackknifing? are they jackknifing? | did I jackknife? did you jackknife? did he jackknife? did we jackknife? did you jackknife? did they jackknife? | was I jackknifing? were you jackknifing? was he jackknifing? were we jackknifing? were you jackknifing? were they jackknifing? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| have I jackknifed? have you jackknifed? has he jackknifed? have we jackknifed? have you jackknifed? have they jackknifed? | have I been jackknifing? have you been jackknifing? has he been jackknifing? have we been jackknifing? have you been jackknifing? have they been jackknifing? | had I jackknifed? had you jackknifed? had he jackknifed? had we jackknifed? had you jackknifed? had they jackknifed? | had I been jackknifing? had you been jackknifing? had he been jackknifing? had we been jackknifing? had you been jackknifing? had they been jackknifing? |
Future | Future continuous | Future perfect | Future perfect continuous |
| will I jackknife? will you jackknife? will he jackknife? will we jackknife? will you jackknife? will they jackknife? | will I be jackknifing? will you be jackknifing? will he be jackknifing? will we be jackknifing? will you be jackknifing? will they be jackknifing? | will I have jackknifed? will you have jackknifed? will he have jackknifed? will we have jackknifed? will you have jackknifed? will they have jackknifed? | will I have been jackknifing? will you have been jackknifing? will he have been jackknifing? will we have been jackknifing? will you have been jackknifing? will they have been jackknifing? |
Present | Present continuous | Past | Past continuous |
| would I jackknife? would you jackknife? would he jackknife? would we jackknife? would you jackknife? would they jackknife? | would I be jackknifing? would you be jackknifing? would he be jackknifing? would we be jackknifing? would you be jackknifing? would they be jackknifing? | would I have jackknifed? would you have jackknifed? would he have jackknifed? would we have jackknifed? would you have jackknifed? would they have jackknifed? | would I have been jackknifing? would you have been jackknifing? would he have been jackknifing? would we have been jackknifing? would you have been jackknifing? would they have been jackknifing? |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to jackknife | - - - |
Present | Past | ||
| jackknifing | jackknifed |