You should finish your homework.

Used to indicate obligation or duty.
They should arrive by noon.
He should see a doctor.
We should help our friends.
should have
should not
should be
ought to
must
need to
You should finish your homework.

Used to indicate obligation or duty.
You should eat more vegetables.
She should call her mother.
They should arrive by noon.
should go
should know
should try
ought to
must
have to