have to:
I have to go home now
They have to stop cheating on exam.
ought to:
She ought to call grandma more often.
We ought to get some cheese for our brother.
should:
You should study more french and german.
He should talk to someone else.
have to:
I have to go home now
They have to stop cheating on exam.
ought to:
She ought to call grandma more often.
We ought to get some cheese for our brother.
should:
You should study more french and german.
He should talk to someone else.