mustn't / don't have to Wednesday 19th July

It is forbidden. You ______ do that.

You ______ ask my permission. You can do what you want.

You ______ speak to the driver when the bus is moving. It's dangerous.

Help yourself to anything you want. You ______ ask.

You ______ park here. There is a double yellow line.

Pay me back when you can. You ______ do it immediately.

It's optional. We ______ to go if you don't want to.

I'll tell you a secret. You ______ tell anybody else. Promise?

Whatever you do, you ______ click with the right mouse button or the program will crash.

Be on time. You ______ be late or we will leave without you.

He's a millionaire. He ______ work but he does because he enjoys it.

I like Saturdays because I ______ go to work.

This is very important. You ______ forget what I said.

It's very informal here. You ______ wear a tie unless you want to.

The train is direct. You ______ change trains.

In boxing, you ______ hit your opponent below the belt.

I ______ wear a suit at work on Fridays. It's 'dressing down day".

In athletics, you ______ start before the gun is fired.

In bridge, you ______ look at other people's cards.

You ______ be mad to work here but it helps.