I am fond of my sister but she has one serious shortcoming. She _________ be really stubborn.

--- Shall I tell John about it?
--- No, you _____. I’ve told him already.

You _________ be punished if you break the school rules.

--- Will Helen come to my party tonight?
--- I am not sure. She _______ go to the cinema with her father.

The room is in a terrible mess; it ________have been cleaned.

It _____ last night., because the ground is all wet

Our English teacher is considerate, helpful, and warm-hearted, but sometimes she
     Be angry at our silly mistakes.

---- I have taken someone else’s T-shirt by mistake. Is it Jane’s?
---- It _______ be hers. She seldom wears red.

------Thank you very much for giving me a hand when I was in trouble.
------Don’t mention it. I only did what anyone else _______ in my place.  

A traffic regulation released in a foreign country states that passengers sharing a car with a drunken driver _____ be punished together with the driver himself.