The car wasn’t dirty. You __________________ (wash) it.
needn't have washed
The cabin crew of an aeroplane must/ have to check if the passangers have their seatbelts fastened before take-off.
have to
What needn't/ mustn't you take through customs?
mustn't
I _________ do my washing because my mother does it for me.
don't have to
should/shouldn't, ought to, had better
advice
Paraphrase: He spent all of his money at the shops yesterday and now thinks it was a bad idea.
He shouldn't have spent all his money at the shop yesterday.
John's a millionaire. He _________ go to work.
doesn't have to
Sheila needn't have walked / didn't need to walk to the party. I would have given her a lift in my car.
needn't have walked
Paraphrase using "to" Because of my age, it’s not possible for me to have a credit card.
Because of my age I am not allowed to have a credit card.
You can't/ shouldn't get a dog if you already have a cat.
shouldn't
Paraphrase: I have a free overdraft so it’s not necessary for me to pay any fees.
I have a free overdraft so I don't have to pay/didn't need to/needn't any fees.
The lawyer said we have to/ should sign the papers urgently.
have to
I _________ see a doctor, because I was feeling very sick.
had to
É melhor você falar com o gerente do banco. (had)
You had better talk to a bank manager.
I _________ used my grandpa's map. This map is really old and now I'm completely lost.
should have
You mustn´t/ don't have to smoke in hospitals.
mustn't
You mustn't/ don't have to iron the clothes - I'll do it.
don't have to/ don´t need to
Today was the last day of school and we needn't have attended / didn't need to attend classes in the afternoon. So I stayed at home.
didn't need to attend
I _________ tried to update my phone software. I did it last night and now my phone doesn't work at all.
shouldn't have
What must/ should you do if you have a headache?
should
Paraphrase using "should" : It was wrong of you to shout to that homeless. YOU...
You shouldn't have shouted to that homeless.
don't have to, haven't got to, don't need to, needn't
no obligation
If you're travelling from a Covid-19 area, you must/should have a negative test result.
must
What must/should you do if you get lost in the woods?
Should
Do I have to/must to finish the essay today?
have to/need to
Você não pode comer doces.
You mustn't / aren't allowed to eat sweet things.
Eu deveria economizar algum dinheiro para sair de férias neste verão. (to)
I have ought to save up some money so that I could go on a holiday this summer.