certify

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

《簡單現在式》
I certify
You certify
He certifys
She certifys
It certifys
We certify
You certify
They certify

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

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

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

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

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

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

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

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

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

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