prevent

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

《簡單現在式》
I prevent
You prevent
He prevents
She prevents
It prevents
We prevent
You prevent
They prevent

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

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

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

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

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

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

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

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

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

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