biff

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

《簡單現在式》
I biff
You biff
He biffs
She biffs
It biffs
We biff
You biff
They biff

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

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

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

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

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

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

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

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

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

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