tread

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

《簡單現在式》
I tread
You tread
He treads
She treads
It treads
We tread
You tread
They tread

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

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

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

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

《過去完成》
I had trodden、trod
You had trodden、trod
He had trodden、trod
She had trodden、trod
It had trodden、trod
We had trodden、trod
You had trodden、trod
They had trodden、trod

《現在完成》
I have trodden、trod
You have trodden、trod
He has trodden、trod
She has trodden、trod
It has trodden、trod
We have trodden、trod
You have trodden、trod
They have trodden、trod

《未來完成》
I will have trodden、trod
You will have trodden、trod
He will has trodden、trod
She will have trodden、trod
It will have trodden、trod
We will have trodden、trod
You will have trodden、trod
They will have trodden、trod

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

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

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