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Other forms to jackknife ? | remove negation | female gender | remove contraction
Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation TO JACKKNIFE

Regular verb: jackknife - jackknifed - jackknifed

Indicative

Present
I don't jackknife
you don't jackknife
he doesn't jackknife
we don't jackknife
you don't jackknife
they don't jackknife
Present continuous
I'm not jackknifing
you aren't jackknifing
he isn't jackknifing
we aren't jackknifing
you aren't jackknifing
they aren't jackknifing
Preterite
I didn't jackknife
you didn't jackknife
he didn't jackknife
we didn't jackknife
you didn't jackknife
they didn't jackknife
Preterite continuous
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
I haven't jackknifed
you haven't jackknifed
he hasn't jackknifed
we haven't jackknifed
you haven't jackknifed
they haven't jackknifed
Present perfect continuous
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
Pluperfect
I hadn't jackknifed
you hadn't jackknifed
he hadn't jackknifed
we hadn't jackknifed
you hadn't jackknifed
they hadn't jackknifed
Pluperfect continuous
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
I won't jackknife
you won't jackknife
he won't jackknife
we won't jackknife
you won't jackknife
they won't jackknife
Future continuous
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
Future perfect
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
Future perfect continuous
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

Conditional

Present
I wouldn't jackknife
you wouldn't jackknife
he wouldn't jackknife
we wouldn't jackknife
you wouldn't jackknife
they wouldn't jackknife
Present continuous
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
Past
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
Past continuous
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

Imperative

Imperative
do not jackknife
Let's not jackknife
do not jackknife
 
 
 

Infinitive

Infinitive
to jackknife
 
 
 

Participle

Present
jackknifing
Past
jackknifed