echo

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

《簡單現在式》
I echo
You echo
He echos
She echos
It echos
We echo
You echo
They echo

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

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

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

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

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

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

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

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

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

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