maintain

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

《簡單現在式》
I maintain
You maintain
He maintains
She maintains
It maintains
We maintain
You maintain
They maintain

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

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

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

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

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

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

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

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

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

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