underdo

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

《簡單現在式》
I underdo
You underdo
He underdoes
She underdoes
It underdoes
We underdo
You underdo
They underdo

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

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

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

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

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

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

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

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

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

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