present
I regret
You regret
He regrets
She regrets
It regrets
We regret
They regret
past
I regretted
You regretted
He regretted
She regretted
It regretted
We regretted
They regretted
future
I will regret
You will regret
He will regret
She will regret
It will regret
We will regret
They will regret
conditional
I would regret
You would regret
He would regret
She would regret
It would regret
We would regret
They would regret