$#trinhthiminhanh$

$@blink$

1.You must/ should / shouldn’t be 18 before you can drive in Spain.
⇒ you must be 18 before you drive in Spain.
2.You don’t have to / mustn’t / shouldn’t go to bed so late. It’s not good for you.
⇒you shouldn't go to bed so late , It's not good for you
3.You don’t have to / mustn’t / shouldn’t wear a school uniform in most Spanish state schools.
⇒You don't have to wear a school uniform in most Spanish state schools
4.You must / mustn’t / needn’t come. I can do it without you.
⇒You needn’t come. I can do it without you
5.You don’t have to / must / mustn’t copy during exams.
⇒You mustn’t copy during exams.
6.You don’t have to / mustn’t / shouldn’t be very tall to play football.
⇒You don’t have to be very tall to play football.
7.You must / mustn’t / needn’t be a good writer to win the Pulitzer Prize.
⇒You must  be a good writer to win the Pulitzer Prize.
8.I can / can’t / might go out tonight. I’m too busy.
⇒I can’t go out tonight. I’m too busy.
9.I haven’t studied enough. I may / may not / might pass my exams.
⇒I haven’t studied enough. I may not pass my exams.
10.I could / couldn’t / might be here next weekend.
⇒I might be here next weekend
11.They say it can / could not / might snow tomorrow.
⇒They say it can snow tomorrow.
12.She can / might not / won’t be able to help us. She’s not available.
⇒She won’t be able to help us. She’s not available
13.Can / May / Might you come to my party?
⇒May you come to my party?
14.We should run or we won’t / might not/ may miss the bus.
⇒We should run or we may miss the bus.
15.I don’t, but I can / couldn’t / may be late.
⇒I don’t, but I may be late.