Modais de dedução (must, might, can't): exercícios de inglês

"She might come" significa:

1. AEla não pode vir.
2. BEla vem com certeza.
3. CTalvez ela venha.
4. DEla tem que vir.

Complete: "Don't wait for me. I ___ be late."

1. Amust
2. Bcan't
3. Cmight
4. Dmustn't

Qual frase expressa certeza de que algo é impossível?

1. AIt can't be him.
2. BIt may be him.
3. CIt might be him.
4. DIt must be him.

Complete: "That restaurant is always full. The food ___ be good."

1. Amustn't
2. Bcouldn't
3. Cmust
4. Dcan't

Qual é o oposto, numa dedução, de "must be"?

1. Ashould be
2. Bmustn't be
3. Cmight be
4. Dcan't be

Complete: "Don't touch that wire. It ___ be dangerous."

1. Acouldn't
2. Bmustn't to
3. Ccould
4. Dcan't

Complete: "I'm not sure where Ana is. She ___ be in the library."

1. Amay
2. Bcan't
3. Cmustn't
4. Dmust

Complete: "The lights are on. Someone ___ be at home."

1. Amustn't
2. Bmust
3. Ccan't
4. Dcouldn't

Complete: "You ___ have been very scared during the storm."

1. Amust
2. Bcan't
3. Cmustn't
4. Dcouldn't

Complete: "I can't find my keys. I ___ have left them at the office."

1. Amust to
2. Bcan't
3. Cmustn't
4. Dmay

Complete: "I didn't hear the phone. I ___ been in the shower."

1. Amust
2. Bcan't have
3. Cmust had
4. Dmust have

Qual é a diferença entre "He mustn't be late" e "He can't be late"?

1. Aas duas expressam proibição
2. Bas duas expressam dedução
3. Cmustn't: dedução; can't: proibição
4. Dmustn't: ele não pode se atrasar (proibição); can't: é impossível que esteja atrasado