crumble

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

《簡單現在式》
I crumble
You crumble
He crumbles
She crumbles
It crumbles
We crumble
You crumble
They crumble

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

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

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

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

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

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

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

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

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

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