《簡單過去式》
I underbought
You underbought
He underbought
She underbought
It underbought
We underbought
You underbought
They underbought
《簡單現在式》
I underbuy
You underbuy
He underbuys
She underbuys
It underbuys
We underbuy
You underbuy
They underbuy
《簡單未來式》
I will underbuy
You will underbuy
He will underbuy
She will underbuy
It will underbuy
We will underbuy
You will underbuy
They will underbuy
《過去進行》
I was underbuying
You were underbuying
He was underbuying
She was underbuying
It was underbuying
We were underbuying
You were underbuying
They were underbuying
《現在進行》
I am underbuying
You are underbuying
He is underbuying
She is underbuying
It is underbuying
We are underbuying
You are underbuying
They are underbuying
《未來進行》
I will be underbuying
You will be underbuying
He will be underbuying
She will be underbuying.
It will be underbuying
We will be underbuying
You will be underbuying
We will be underbuying
《過去完成》
I had underbought
You had underbought
He had underbought
She had underbought
It had underbought
We had underbought
You had underbought
They had underbought
《現在完成》
I have underbought
You have underbought
He has underbought
She has underbought
It has underbought
We have underbought
You have underbought
They have underbought
《未來完成》
I will have underbought
You will have underbought
He will has underbought
She will have underbought
It will have underbought
We will have underbought
You will have underbought
They will have underbought
《過去完成行進》
I had been underbuying
You had been underbuying
He had been underbuying
She had been underbuying
It had been underbuying
We had been underbuying
You had been underbuying
They had been underbuying
《現在完成行進》
I have been underbuying
You have been underbuying
He has been underbuying
She has been underbuying
It has been underbuying
We have been underbuying
You have been underbuying
They have been underbuying
《未來完成行進》
I will had been underbuying
You will had been underbuying
He will had been underbuying
She will had been underbuying
It will had been underbuying
We will had been underbuying
You will had been underbuying
They will had been underbuying