Question: 5 sentences with should and shouldn't?
Answer: You should drink water every day. ( recommendation)
He should study for the test tomorrow. ( advice)
I should buy a gift for the teacher. ( obligation)
They should be here by now. ( expectation)
You shouldn't watch a lot of TV. ( ... 
She should not buy that old car. ( ... 
He shouldn't arrive in Raleigh until tomorrow. (