You should work more.
She should listen to the teacher’s advice.
You should apologize: you are wrong.
You should not miss English lessons.
Children should be more attentive to their parents.
He should consult the doctor.
He should have consulted the doctor long ago.
You should not give the child so many sweets.
He should read this book.
He should have read this book.
You should go there and speak to them.
You should have gone there and spoken to them.
He should not have spoken so rudely.
He should not have forgotten about my request.
She should have returned long ago.
You shouldn’t go there.
You should have read this book last year.
You should speak to your uncle when he comes.
She should not have carried such heavy things.
He should have remembered about it.
You should have asked permission.
You should not have worried.