trephine

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

《簡單現在式》
I trephine
You trephine
He trephines
She trephines
It trephines
We trephine
You trephine
They trephine

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

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

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

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

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

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

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

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

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

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