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
