Obligations: Should, Have to, Must

We have a lot to do tomorrow. You ... go out tonight.

• shouldn't

• don't have to

You ... to tell Mary what I told you.  It's a secret.

• shouldn't
• don't have to

The museum is free.  You ... pay to get in.

• shouldn't
• don't have to

In the 19th century, children ... attend school up to the age of 16.

• shouldn't
• didn't have to

Terry's a millionaire.  He ... go to work.

• shouldn't
• doesn't have to

When I was a child, I ... do my dishes.  My mother did it for me.

• didn't have to
• don't have to

We ... rush.  We have plenty of time.

• shouldn't
• don't have to

You ... play with knives.  They're dangerous.

• shouldn't
• don't have to

This is my favorite pen.  You can borrow it, but you ... lose it.

• shouldn't
• don't have to

A: Should I come with you?

• You can if you want, but you shouldn't.
• You can if you want, but you don't have to.