Вставьте подходящий модальный глагол (must / can / need)
Sonia _ practise so much if she wants to take part in the marathon.
If you want to improve your English, you _work very hard.
You _not come to help them tomorrow: the work is done.
You _not change the whole text as the beginning is all right.
John _not tell us the rules of the game: we know them.
We _not afford to pay the bill.
It is already six o’clock. We _hurry if we don’t want to be late.
She _decorate a room nicely.
You _take care of your parents.
We _stay with my brother when we are in Paris.

Complete the sentences with the positive or negative forms of must or have to.
Brilliant! I _ study tonight because I've finished my exams.
You _ use a mobile phone on a plane.
You can go out, but you _ be home by midnight.
Jo _ go to school by bus. She lives nearby.
We _ cook tonight. We can get a pizza.
She _ get up early. She's on holiday.
You _ study harder or you are going to fail.
You _drive faster than 120 km/h on the motorway.
Complete the sentences with the correct modal verb in italics:
You couldn’t / mustn’t / shouldn’t eat so many hamburgers. They're not good for you.
You can’t have / don’t have to /mustn’t study at the weekends, except when you have exams.
You may not / might not /needn’t Everything will be OK.
You don’t have to /might not/mustn’t use your mobile phone in class.
Diana looks happy. She can /can have /must have heard some good news.
I can’t /may not /might not have left my mobile phone at school on Friday afternoon – I had it on Friday night.
It can /could / couldn’t rain tomorrow.