Rephrase the following sentences in as many ways as possible.

1 Perhaps Laura has left the phone off the hook. ...Laura may/might/could have left the phone off the hook…

2 Surgeons are obliged to scrub their hands before operating on patients.

3 Do you mind if I open the window?

4 It wasn't necessary for Peter to wash the dog, so he didn't.

5 Emily managed to reach the top shelf, even though she didn't have a ladder.

6 It's forbidden to copy files without the manager's permission.

7 Why don't we spend this evening at home?

8 I'm certain Patrick misunderstood my instructions.

9 I'm sure Helen didn't know about her surprise party.

Rephrase the following sentences in as many ways as possible.

1 Perhaps they are at work.

They ...may/might/could be at work…

2 Perhaps he is waiting outside. He …

3 It's possible she will work late tonight. She …

4 It's likely he was driving too fast. He …

5 It's possible they made a mistake. They …

6 Perhaps he has missed the bus. He …

7 It's possible she has been playing in the snow. She …

8 It's likely we will be leaving tomorrow. We …

9 It's likely he will stay there. He …

10 Perhaps she had been trying to call you. She …

11 It's likely they had seen the film already. They …

12 It's possible he is studying in the library. He …

Underline the correct word(s) in bold.

A: Good morning. How 1) can/must I help you, sir?

B: I'd like to book a room for tonight, please.

A: Certainly sir.

B: How much does a single room cost for one night?

A: £35, sir. Payable in advance.

B: What! 2) Do I have to/Could I pay right now?

A: Yes, I'm afraid you 3) need/must pay in advance, sir.

B: Really. Well! 4) Do I have to/Shall I pay in cash?

A: No, you 5) mustn't/needn't pay in cash. You 6) could/can't pay by credit card if you prefer.

B: This is a bit unusual. I 7) may/must look in my wallet to see if I have enough cash with me.

A: You 8) couldn't/don’t have to hurry, sir. Take your time.

A: Good morning. Here's the key. 9) Could/Must I leave my luggage here until twelve o'clock, please?

B: Of course. 10) May/Need I ask if you enjoyed your stay?

A: Oh yes. I 11) can/must write down the phone number, so that I can stay here again.

B: You 12) mustn't/don't need to do that, sir. I 13) have to/can give you our card.

A: Oh, thank you very much. Goodbye.

B: Goodbye.