undo

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

《簡單現在式》
I undo
You undo
He undoes
She undoes
It undoes
We undo
You undo
They undo

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

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

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

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

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

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

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

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

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

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