Os enunciados estão na página de atividades de should have e must have. Faça-as primeiro por conta própria e depois compare com as respostas.
O essencial: Needn’t have + particípio: ação feita, mas desnecessária. Cada uma das 20 respostas do gabarito indica a regra aplicada, para entender o erro e não apenas copiar a resposta.
Este gabarito das atividades de should have e must have (B2) traz as 20 respostas na mesma ordem da folha; assim você corrige cada uma na hora.
Confira cada resposta e leia a explicação curta: ela mostra qual intenção, crítica, dedução, chance perdida ou ação inútil, decide o modal. Nas produções escritas, o modelo é apenas uma possibilidade; o importante é manter as formas e os particípios corretos.
Nível: Inglês B2 (QECR, intermediário superior) · Referência oficial: QECR B2 (Companion Volume 2020), QECR B2 Produção oral
Gabarito das atividades de should have e must have (B2)
Atividade 1. Should have
a) should have called; b) shouldn’t have eaten; c) should have left.
Resposta final: should have called / shouldn’t have eaten / should have left.
Atividade 2. Must have
a) must have gone; b) must have fallen; c) must have eaten.
Resposta final: must have gone / must have fallen / must have eaten.
Atividade 3. Can’t have
a) can’t have seen; b) can’t have been; c) can’t have finished.
Resposta final: can’t have seen / can’t have been / can’t have finished.
Atividade 4. Could have
a) could have asked; b) could have taken; c) could have won.
Resposta final: could have asked / could have taken / could have won.
Atividade 5. Needn’t have
a) needn’t have taken; b) needn’t have bought; c) needn’t have hurried.
Resposta final: needn’t have taken / needn’t have bought / needn’t have hurried.
Atividade 6. Traduza
a) You should have told me. b) She must have missed the bus. c) They needn’t have come.
Resposta final: should have told / must have missed / needn’t have come.
Atividade 7. Particípios
a) run; b) brought; c) chosen; d) forgotten; e) begun; f) driven.
Resposta final: run / brought / chosen / forgotten / begun / driven.
Atividade 8. Escolha o modal certo
a) quase certeza; b) impossibilidade; c) crítica; d) possibilidade incerta.
Resposta final: must have / can’t have / should have / might have.
Atividade 9. Should have ou needn’t have?
a) needn’t have worn; b) should have worn; c) should have booked; d) needn’t have bought.
Resposta final: needn’t have worn / should have worn / should have booked / needn’t have bought.
Atividade 10. Reescreva com modal perfeito
a) You should have told us. b) He might have forgotten the key. c) She must have lost her phone. d) We could have taken the night bus.
Resposta final: should have told / might have forgotten / must have lost / could have taken.
Atividade 11. Leia o relatório do evento
a) O gerador provavelmente ficou sem combustível. b) Tê-lo testado mais cedo. c) Alugar 20 cadeiras extras. d) Porque acham que ele não recebeu o convite.
Resposta final: sem combustível / testar antes / cadeiras / convite não recebido.
Atividade 12. Corrija o erro
a) should have gone; b) must have forgotten; c) needn’t have called; d) can’t have seen us (dedução negativa).
Resposta final: gone / must have forgotten / needn’t have called / can’t have seen.
Atividade 13. Traduza com modais perfeitos
a) You could have asked for help. b) He can’t have said that. c) We needn’t have paid so much.
Resposta final: could have asked / can’t have said / needn’t have paid.
Atividade 14. Complete o diálogo
a) must have missed; b) should have backed up; c) can’t have been; d) could have taken.
Resposta final: must have missed / should have backed up / can’t have been / could have taken.
Atividade 15. Ordene as palavras
a) You should have told me. b) She must have forgotten the meeting. c) We needn’t have left so early.
Resposta final: You should have told me. / She must have forgotten the meeting. / We needn’t have left so early.
Atividade 16. A mala que sumiu
Modelo: The bags must have been left in Sao Paulo. They can’t have gone to the wrong city; the tag was correct. The airline should have given us more time for the connection. We could have chosen a direct flight.
Confira: os quatro modais, particípios corretos, coerência. Resposta final: quatro frases com os quatro modais.
Atividade 17. Mediação: avise o diretor
Modelo: The server went down last night. It must have been overloaded. We should have tested it before the launch, and we needn’t have announced the date so early. We could have asked the supplier for help.
Confira: must have, should have, needn’t have e could have. Resposta final: must have been / should have tested / needn’t have announced / could have asked.
Atividade 18. Explique a diferença
a) a primeira é crítica; a segunda lembra uma possibilidade. b) na primeira, saímos à toa; na segunda, não sabemos se saímos. c) a primeira é dedução; a segunda, obrigação.
Resposta final: crítica x possibilidade / feito à toa x aberto / dedução x obrigação.
Atividade 19. Reescreva com modal perfeito
a) You should have asked. b) You needn’t have brought all these documents. c) He must have got lost. (EUA: gotten) d) They can’t have known.
Resposta final: should have asked / needn’t have brought / must have got lost / can’t have known.
Atividade 20. Análise de uma viagem
Modelo: Our bus was cancelled. The driver must have been sick. The company should have warned us. We could have taken the train, but it was too late. We needn’t have woken up at five. The agency can’t have checked the schedule.
Confira: os cinco modais, particípios corretos e coerência. Resposta final: análise pessoal com os cinco modais.
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