English verb conjugation
TO JACKKNIFE
Regular verb: jackknife - jackknifed - jackknifed
Present | Present continuous | Preterite | Preterite continuous |
| I don't jackknife you don't jackknife he doesn't jackknife we don't jackknife you don't jackknife they don't jackknife | I'm not jackknifing you aren't jackknifing he isn't jackknifing we aren't jackknifing you aren't jackknifing they aren't jackknifing | I didn't jackknife you didn't jackknife he didn't jackknife we didn't jackknife you didn't jackknife they didn't jackknife | I wasn't jackknifing you weren't jackknifing he wasn't jackknifing we weren't jackknifing you weren't jackknifing they weren't jackknifing |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I haven't jackknifed you haven't jackknifed he hasn't jackknifed we haven't jackknifed you haven't jackknifed they haven't jackknifed | I haven't been jackknifing you haven't been jackknifing he hasn't been jackknifing we haven't been jackknifing you haven't been jackknifing they haven't been jackknifing | I hadn't jackknifed you hadn't jackknifed he hadn't jackknifed we hadn't jackknifed you hadn't jackknifed they hadn't jackknifed | I hadn't been jackknifing you hadn't been jackknifing he hadn't been jackknifing we hadn't been jackknifing you hadn't been jackknifing they hadn't been jackknifing |
Future | Future continuous | Future perfect | Future perfect continuous |
| I won't jackknife you won't jackknife he won't jackknife we won't jackknife you won't jackknife they won't jackknife | I won't be jackknifing you won't be jackknifing he won't be jackknifing we won't be jackknifing you won't be jackknifing they won't be jackknifing | I won't have jackknifed you won't have jackknifed he won't have jackknifed we won't have jackknifed you won't have jackknifed they won't have jackknifed | I won't have been jackknifing you won't have been jackknifing he won't have been jackknifing we won't have been jackknifing you won't have been jackknifing they won't have been jackknifing |
Present | Present continuous | Past | Past continuous |
| I wouldn't jackknife you wouldn't jackknife he wouldn't jackknife we wouldn't jackknife you wouldn't jackknife they wouldn't jackknife | I wouldn't be jackknifing you wouldn't be jackknifing he wouldn't be jackknifing we wouldn't be jackknifing you wouldn't be jackknifing they wouldn't be jackknifing | I wouldn't have jackknifed you wouldn't have jackknifed he wouldn't have jackknifed we wouldn't have jackknifed you wouldn't have jackknifed they wouldn't have jackknifed | I wouldn't have been jackknifing you wouldn't have been jackknifing he wouldn't have been jackknifing we wouldn't have been jackknifing you wouldn't have been jackknifing they wouldn't have been jackknifing |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to jackknife | do not jackknife Let's not jackknife do not jackknife |
Present | Past | ||
| jackknifing | jackknifed |