cosign

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

《簡單現在式》
I cosign
You cosign
He cosigns
She cosigns
It cosigns
We cosign
You cosign
They cosign

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

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

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

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

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

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

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

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

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

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