You should exercise daily.
I should try my best.
We should call the police.
You should file a case.
He should be home by now.
She should be happy to get a loan.
I should be on time today.
I should have gone to the party.
You should have taken the medicine last night.
He should have called me yesterday.
The train should have left on time.
Should have been
You should have been better after two days.
You should have been on time.
She should have been my boss.
They should have been in our group.