backcross

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

《簡單現在式》
I backcross
You backcross
He backcrosses
She backcrosses
It backcrosses
We backcross
You backcross
They backcross

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

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

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

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

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

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

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

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

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

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