underperform

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

《簡單現在式》
I underperform
You underperform
He underperforms
She underperforms
It underperforms
We underperform
You underperform
They underperform

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

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

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

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

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

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

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

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

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

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