back

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

《簡單現在式》
I back
You back
He backs
She backs
It backs
We back
You back
They back

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

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

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

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

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

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

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

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

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

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