present
I grate
You grate
He grates
She grates
It grates
We grate
They grate
past
I grated
You grated
He grated
She grated
It grated
We grated
They grated
future
I will grate
You will grate
He will grate
She will grate
It will grate
We will grate
They will grate
conditional
I would grate
You would grate
He would grate
She would grate
It would grate
We would grate
They would grate