present
I stamp
You stamp
He stamps
She stamps
It stamps
We stamp
They stamp
past
I stamped
You stamped
He stamped
She stamped
It stamped
We stamped
They stamped
future
I will stamp
You will stamp
He will stamp
She will stamp
It will stamp
We will stamp
They will stamp
conditional
I would stamp
You would stamp
He would stamp
She would stamp
It would stamp
We would stamp
They would stamp