riff

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

《簡單現在式》
I riff
You riff
He riffs
She riffs
It riffs
We riff
You riff
They riff

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

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

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

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

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

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

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

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

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

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