2a 1. I have to finish this report by 5 p.m.
It's not necessary.
It's necessary.
2a 2. We needn’t do this by the end of the day.
It's necessary.
It's not necessary.
2a 3. You shouldn't go out without a coat.
It’s not a good idea.
It’s not necessary.
2a 4. We don’t need to go out later.
It’s not a good idea.
It’s not necessary.
2a 5. You mustn't put your foot on the seat.
It's not allowed.
It's not necessary.
2a 6. You don’t have to sit there.
It's not necessary.
It's not allowed.
2b 1. You DON'T HAVE TO go into that room while the paint is drying or you'll get paint on you.
mustn't
should
needn't
2. You MUST TO see a doctor if you're not feeling well.
don’t have to
mustn't
should
3. It’s a public holiday tomorrow, so the office is closed and we MUSTN'T go to work.
have to
must
don’t need to
4. You SHOULDN'T wear a suit if you don’t want to.
must
mustn't
needn't
1. should practise speaking 2. don't have/need to be 3. shouldn't spend hours studying 4. should study 5. have to/need to/should/must 6. don't have/need to
