Question

1. Paul……………… be at home; he always works until 9 p.m.

can’t
mustn’t
can

2. My sister …………… come back from London tonight, but I’m not sure.

may
ought to
must

3. Mary ………… have forgotten our appointment. Why isn’t she here?

can
may
must

4) You ………… have told us about Sue’s divorce. We made such insensitive comments on her husband!

shouldn’t
should
mustn’t

5) . I’m afraid I ……………… go out tonight, I ……… work late.

can’t/ can
can’t/ have to
can’t/ should

6)Most children ………… wear school uniforms in private schools.

might
must
can

7) . Someone’s knocking at the door. It …………… be James; he said he’ come round today

ought to
must
can’t

8) . Be careful with the knife! It’s very sharp, you ………… cut your finger.

should
may
need to

9) The new student ……… be German, he doesn’t speak German fluently.

shouldn’t
mustn’t
can’t

Answer 1

Resposta:

1. can't

2. ought to

3. may

4. should

5. can't / have to

6. must

7. must

8. may

9. can't

Answer 2

⇒⇒  Modal verbs

1. Paul mustn't be at home; he always works until 9 p.m.

2. My sister may come back from London tonight, but I’m not sure.

3. Mary must have forgotten our appointment. Why isn’t she here?

4) You should have told us about Sue’s divorce. We made such insensitive comments on her husband!

5) I’m afraid I can't go out tonight, I have to work late.

6) Most children  must wear school uniforms in private schools.

7) . Someone’s knocking at the door. It must be James; he said he’d come round today

8) . Be careful with the knife! It’s very sharp, you may cut your finger.

9) The new student mustn't be German, he doesn’t speak German fluently.

⇒⇒ Modal verbs >> são verbos ''diferentes'' que possuem características próprias. São usados para auxiliar o verbo principal da frase. Não são conjugados, não recebem ''s'' na terceira pessoa do singular, não têm plural. São sempre escritos da mesma forma, independente do contexto. Não têm tradução se estiverem sozinhos, sem um verbo em seguida.  

Alguns ''modal verbs'' mais usados:

⇒⇒ CAN e COULD

 can – habilidade – I can swim. [Eu sei nadar.]  

 can – permissão – Can I use your phone, please? [Posso usar seu telefone. por favor?]  

 can – possibilidade – Drinking can cause health problems. [Beber pode causar problemas de saúde.]  

 could – habilidade no passado – When I was young, I could play football. [Quando eu era jovem, eu sabia  

jogar futebol.]  

 could – permissão (forma mais educada) – Excuse me, could you tell me where the post office is? – [Com  

licença, você poderia me dizer onde é o correio?]  

 could – possibilidade – You could get into trouble. [Você poderia se meter numa encrenca.]

⇒⇒ MAY e MIGHT

 may- para expressar possibilidade, probabilidade – It may rain tomorrow. [Pode chover amanhã (há possibilidade de chuva para amanhã)  

 may – para pedir permissão – May I use your phone, please? [Posso usar seu telefone, por favor?]  

 might – permissão (forma mais educada) – Might I borrow your pen? [Poderia emprestar sua caneta?]  

 might – para expressar possibilidade, probabilidade – She might not want to come with us. [Ela pode não querer vir com a gente.]

⇒⇒ SHALL, SHOULD (e OUGHT TO)

 shall – para sugerir, convidar- Shall we dance? [Vamos dançar?]  

 shall – obrigação (em situações formais) – You shall not enter here. [Você não pode entrar aqui.]  

 should/ought to- para dar conselho – You should stop smoking. [Você deveria parar de fumar.]  

 should/ought to – dedução lógica – He should be home by now. [Ele deve estar em casa a esta hora.]

⇒⇒ MUST e WOULD

 must -para expressar obrigação – Must I pay now? [Devo pagar agora?]  

 must – dedução lógica – She must be a nurse. [Ela deve ser uma enfermeira. (você sempre a vê vestida de branco saindo de um hospital)]  

 would -para pedir ou oferecer – Would you like a coffee? [Você aceitaria um cafezinho?]  

 would – para conselho – If I were you, I would go. [Se eu fosse você, eu iria.]

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