jack-knife

Past participle: jack-knifed
Gerund: jack-knifing

Imperative
jack-knife
jack-knife

Present
I jack-knife
you jack-knife
he/she/it jack-knifes
we jack-knife
you jack-knife
they jack-knife

Preterite
I jack-knifed
you jack-knifed
he/she/it jack-knifed
we jack-knifed
you jack-knifed
they jack-knifed

Present Continuous
I am jack-knifing
you are jack-knifing
he/she/it is jack-knifing
we are jack-knifing
you are jack-knifing
they are jack-knifing

Present Perfect
I have jack-knifed
you have jack-knifed
he/she/it has jack-knifed
we have jack-knifed
you have jack-knifed
they have jack-knifed

Past Continuous
I was jack-knifing
you were jack-knifing
he/she/it was jack-knifing
we were jack-knifing
you were jack-knifing
they were jack-knifing

Past Perfect
I had jack-knifed
you had jack-knifed
he/she/it had jack-knifed
we had jack-knifed
you had jack-knifed
they had jack-knifed

Future
I will jack-knife
you will jack-knife
he/she/it will jack-knife
we will jack-knife
you will jack-knife
they will jack-knife

Future Perfect
I will have jack-knifed
you will have jack-knifed
he/she/it will have jack-knifed
we will have jack-knifed
you will have jack-knifed
they will have jack-knifed

Future Continuous
I will be jack-knifing
you will be jack-knifing
he/she/it will be jack-knifing
we will be jack-knifing
you will be jack-knifing
they will be jack-knifing

Present Perfect Continuous
I have been jack-knifing
you have been jack-knifing
he/she/it has been jack-knifing
we have been jack-knifing
you have been jack-knifing
they have been jack-knifing

Future Perfect Continuous
I will have been jack-knifing
you will have been jack-knifing
he/she/it will have been jack-knifing
we will have been jack-knifing
you will have been jack-knifing
they will have been jack-knifing

Past Perfect Continuous
I had been jack-knifing
you had been jack-knifing
he/she/it had been jack-knifing
we had been jack-knifing
you had been jack-knifing
they had been jack-knifing

Conditional
I would jack-knife
you would jack-knife
he/she/it would jack-knife
we would jack-knife
you would jack-knife
they would jack-knife

Past Conditional
I would have jack-knifed
you would have jack-knifed
he/she/it would have jack-knifed
we would have jack-knifed
you would have jack-knifed
they would have jack-knifed

Translations

jack-knife

(ˈdʒӕknaif) noun a large folding knife. 大折刀 verb (of eg a lorry and its trailer) to swing together so that the trailer is at a sharp angle to the cab. The lorry skidded and jack- knifed, blocking the road.中间呈V形弯