present
I nail
You nail
He nails
She nails
It nails
We nail
They nail
past
I nailed
You nailed
He nailed
She nailed
It nailed
We nailed
They nailed
future
I will nail
You will nail
He will nail
She will nail
It will nail
We will nail
They will nail
conditional
I would nail
You would nail
He would nail
She would nail
It would nail
We would nail
They would nail