Conjugation and declension of "jackknife" in English

English French German Italian Portuguese Russian Spanish

Conjugation of the verb jackknife[ˈdʒæknaɪf], regular     

All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

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 Indefinite

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 Indefinite

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

Conditional Present

I would jackknife
you would jackknife
he/she/it would jackknife
we would jackknife
you would jackknife
they would jackknife

Conditional 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

Conditional 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

Conditional 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

Participles

Present

jackknifing

Past

jackknifed

Infinitives

Infinitives

to jackknife
to have jackknifed
to be jackknifing
to have been jackknifing

Declension of the noun jackknife[ˈdʒæknaɪf]     

Singular
Plural
Singular
Common case
jackknife
jackknives / jackknifes
Possessive case
jackknife's
jackknives' / jackknifes'
Plural
jackknives / jackknifes
jackknives' / jackknifes'
Did you find any mistake or inaccuracy? Please write to us.

The Conjugation and Declension service allows you to conjugate verbs and decline nouns, adjectives, pronouns and numerals. Here you can find out the gender and declension of nouns, adjectives and numerals, the degrees of comparison of adjectives, conjugation of verbs, and see the table of tenses for English, German, Russian, French, Italian, Portuguese and Spanish. Conjugate verbs, learn the rules of conjugation and declension, see translations in contexts and in the dictionary.