underbid

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

《簡單現在式》
I underbid
You underbid
He underbids
She underbids
It underbids
We underbid
You underbid
They underbid

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

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

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

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

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

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

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

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

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

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