jackknife

《簡單過去式》
I jackknifed
You jackknifed
He jackknifed
She jackknifed
It jackknifed
We jackknifed
You jackknifed
They jackknifed

《簡單現在式》
I jackknife
You jackknife
He jackknifes
She jackknifes
It jackknifes
We jackknife
You jackknife
They jackknife

《簡單未來式》
I will jackknife
You will jackknife
He will jackknife
She will jackknife
It will jackknife
We will jackknife
You will jackknife
They will jackknife

《過去進行》
I was jackknifing
You were jackknifing
He was jackknifing
She was jackknifing
It was jackknifing
We were jackknifing
You were jackknifing
They were jackknifing

《現在進行》
I am jackknifing
You are jackknifing
He is jackknifing
She is jackknifing
It is jackknifing
We are jackknifing
You are jackknifing
They are jackknifing

《未來進行》
I will be jackknifing
You will be jackknifing
He will be jackknifing
She will be jackknifing.
It will be jackknifing
We will be jackknifing
You will be jackknifing
We will be jackknifing

《過去完成》
I had jackknifed
You had jackknifed
He had jackknifed
She had jackknifed
It had jackknifed
We had jackknifed
You had jackknifed
They had jackknifed

《現在完成》
I have jackknifed
You have jackknifed
He has jackknifed
She has jackknifed
It has jackknifed
We have jackknifed
You have jackknifed
They have jackknifed

《未來完成》
I will have jackknifed
You will have jackknifed
He will has jackknifed
She will have jackknifed
It will have jackknifed
We will have jackknifed
You will have jackknifed
They will have jackknifed

《過去完成行進》
I had been jackknifing
You had been jackknifing
He had been jackknifing
She had been jackknifing
It had been jackknifing
We had been jackknifing
You had been jackknifing
They had been jackknifing

《現在完成行進》
I have been jackknifing
You have been jackknifing
He has been jackknifing
She has been jackknifing
It has been jackknifing
We have been jackknifing
You have been jackknifing
They have been jackknifing

《未來完成行進》
I will had been jackknifing
You will had been jackknifing
He will had been jackknifing
She will had been jackknifing
It will had been jackknifing
We will had been jackknifing
You will had been jackknifing
They will had been jackknifing