Pag 152 ex. 1

1. Cannot

2. Should

3. Must

4. May

5. Must

6. Cannot

7. Should

8. Need to

9. Would

10. Do not have to

11. Can

12. Must not

13. Is possible to

14. Would

Pag 153 ex. 2

1. She should revise more.

2.  He must have had an accident.

3.  He cannot see the no

4. They might won the lottery.

5. He should left the house earlier.

6. He must fall in the river.

7. He should wear a coat.

Pag 154 ex. 3

1. Tom: Can you play a musical instrument?

Louisa: Yes, I can

2. Rick: How was the exam?

Will: It was OK. But I couldn't answer question 3.

3. Elena: Would you like some more coffee?

Matteo: No, thanks. But could I have a glass of water?

4. Julia: Can you smoke in public buildings in Italy?

Sandro: No, you cannot. But you could until 2005.

5. David: You must not tell Fiona about the party. It is a surprise.

Bella: OK, I will not say anything to her.

6. Luke: Sorry I am late. I cannot stop at the ATM on the way here.

Josh: No problem. But we really should leave now or we'll be late.

7. Wilma: You have not eaten since breakfast. You should be hungry.

Jake: I am. Could I possibly have a sandwich or something?

Alice: What is the matter?

Erica: I cannot find my door key. Have you seen it?

Alice: No, I have not. When did you last have it?

Erica: Well, it must be in the house somewhere. I used it to get in just five minutes ago, but I cannot

remember where I put it.

8. Alice: Well, it could still be in the door. Have you checked?

Helen: Hi, Sam. I am afraid we could be a little late. The taxi has not arrived.

Sam: No problem. I can pick you up, if you like. I am sure I can borrow my dad's car. Go back to your

house and I should be there in about twenty minutes.

Pag 154 ex. 4

1. Couldn

2. Must have been

3. Shouldn

4. can't

5. Must have realized

6. Might be

Pag 155 ex. 5

1. It might rain later.

2. 

3.

4. The windows need to be cleaned by someone soon.

5. You cannot have seen Federica.

6. Paolo must arrive by now.

7.

8. You ought to go to bed if you are tired.

9.

10. You must visit the Vatican when you are in Rome.

pag 155 ex. 6

1. Non riesco a trovare il mio cellulare.

I cannot find my mobile phone.

2. Siete autorizzati a indossare gioielli a scuola?

Can you wear jewels at school?

3. Non puoi fumare qui.

You musn't smoke here.

4. Se non di piace la pasta, non la devi mangiare.

If you do not like pasta, you need not to have it.

5. L'esame inizia alle 9:30. Devi essere qui per le 9:15.

The exam at nine o' clock. You must be here at 9:15.

6. L' autobus parte alle 5:15. Non devi arrivare tardi.

Bus leaves at 5:15. You musn't arrive late.

7. Abbiamo perso l'autobus, ma siamo stati in grado di prendere il taxi

We lost  the bus, but we were able to catch a taxi.

8. Ho comprato la gonna che ho visto in vetrina. Non ho potuto farne a meno.

I have bought the skirt I had seen in the shop window. I was not able to do without it.