present
I calculate
You calculate
He calculates
She calculates
It calculates
We calculate
They calculate
past
I calculated
You calculated
He calculated
She calculated
It calculated
We calculated
They calculated
future
I will calculate
You will calculate
He will calculate
She will calculate
It will calculate
We will calculate
They will calculate
conditional
I would calculate
You would calculate
He would calculate
She would calculate
It would calculate
We would calculate
They would calculate