Alternative form of jack-knife.
Infinitivejackknife
Past simplejackknifed
Past participlejackknifed
-ing formjackknifing
Full conjugation of the English verb to jackknife (past simple jackknifed,
past participle jackknifed):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
jackknife
you
jackknife
he/she/it
jackknifes
we
jackknife
you
jackknife
they
jackknife
Present continuous
I
am jackknifing
you
are jackknifing
he/she/it
is jackknifing
we
are jackknifing
you
are jackknifing
they
are jackknifing
Present perfect
I
have jackknifed
you
have jackknifed
he/she/it
has jackknifed
we
have jackknifed
you
have jackknifed
they
have jackknifed
Present perfect continuous
I
have been jackknifing
you
have been jackknifing
he/she/it
has been jackknifing
we
have been jackknifing
you
have been jackknifing
they
have been jackknifing
Past simple
I
jackknifed
you
jackknifed
he/she/it
jackknifed
we
jackknifed
you
jackknifed
they
jackknifed
Past continuous
I
was jackknifing
you
were jackknifing
he/she/it
was jackknifing
we
were jackknifing
you
were jackknifing
they
were jackknifing
Past perfect
I
had jackknifed
you
had jackknifed
he/she/it
had jackknifed
we
had jackknifed
you
had jackknifed
they
had jackknifed
Past perfect continuous
I
had been jackknifing
you
had been jackknifing
he/she/it
had been jackknifing
we
had been jackknifing
you
had been jackknifing
they
had been jackknifing
Future simple
I
will jackknife
you
will jackknife
he/she/it
will jackknife
we
will jackknife
you
will jackknife
they
will jackknife
Future continuous
I
will be jackknifing
you
will be jackknifing
he/she/it
will be jackknifing
we
will be jackknifing
you
will be jackknifing
they
will be jackknifing
Future perfect
I
will have jackknifed
you
will have jackknifed
he/she/it
will have jackknifed
we
will have jackknifed
you
will have jackknifed
they
will have jackknifed
Future perfect continuous
I
will have been jackknifing
you
will have been jackknifing
he/she/it
will have been jackknifing
we
will have been jackknifing
you
will have been jackknifing
they
will have been jackknifing
Conditional
Present
I
would jackknife
you
would jackknife
he/she/it
would jackknife
we
would jackknife
you
would jackknife
they
would jackknife
Present continuous
I
would be jackknifing
you
would be jackknifing
he/she/it
would be jackknifing
we
would be jackknifing
you
would be jackknifing
they
would be jackknifing
Perfect
I
would have jackknifed
you
would have jackknifed
he/she/it
would have jackknifed
we
would have jackknifed
you
would have jackknifed
they
would have jackknifed
Perfect continuous
I
would have been jackknifing
you
would have been jackknifing
he/she/it
would have been jackknifing
we
would have been jackknifing
you
would have been jackknifing
they
would have been jackknifing
Subjunctive
Present
that I
jackknife
that you
jackknife
that he/she/it
jackknife
that we
jackknife
that you
jackknife
that they
jackknife
Past
if I
jackknifed
if you
jackknifed
if he/she/it
jackknifed
if we
jackknifed
if you
jackknifed
if they
jackknifed
Imperative
Affirmative
you
jackknife
we
let's jackknife
Negative
you
don't jackknife
we
let's not jackknife
Non-finite forms
Infinitive
to jackknife
Perfect infinitive
to have jackknifed
Present participle / gerund
jackknifing
Past participle
jackknifed
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.