countersink

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

《簡單現在式》
I countersink
You countersink
He countersinks
She countersinks
It countersinks
We countersink
You countersink
They countersink

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

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

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

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

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

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

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

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

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

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