present
I exercise
You exercise
He exercises
She exercises
It exercises
We exercise
They exercise
past
I exercised
You exercised
He exercised
She exercised
It exercised
We exercised
They exercised
future
I will exercise
You will exercise
He will exercise
She will exercise
It will exercise
We will exercise
They will exercise
conditional
I would exercise
You would exercise
He would exercise
She would exercise
It would exercise
We would exercise
They would exercise