O Circle the correct verbs.
A Isn't that Grant Duncan, over there? B No, it '(can't)/ must be. He lives in New
York now. A I'm sure it's Grant.
B Well, I suppose it 2can't / might be him. But his hair is very grey. Grant doesn't have grey hair.
A But it urns! / can't be three years since we
last saw him. A man's hair can go grey in
three years. B Who's the woman he's with? She 4can't /
mightn't be his wife, can she? A No, I'm sure it isn't his wife. I think it 5may
/ can't be his daughter. She looks just like
him. Shall we go and say hello?
© Complete the dialogues with must, might, might not, or can't.
1 A This pizza      can't    be for me. It looks
like a Margherita and I ordered a Four Seasons.
B It_be mine, then. I ordered a
Margherita.
2 A What time is Jane coming?
B She wasn't sure. She's working late. She
said she_be here until 8.30
or 9.00.
A She_be very busy, then.
3 A Which city is this?
B I'm not sure. It_
A No, it_
sign is in French.
be Rome.
be Italy. The street
B It
be Paris, then. That's the
only place I've been to in France.
4 A Can you help me finish this crossword?
I can't do eight across. B Let's see. An animal found in Australia.
It_be kangaroo or maybe crocodile.
B It _be kangaroo. It ends in a y. I know!
It_be wallaby.
A That's right. Well done!
© Complete the sentences with must, mustn't, have to, don't have to, should, or shouldn't.
1 You    have to   pay for food and drinks separately.
2 You_leave a tip in this
149
Please pay for food and drink separately
e
Service included. Tip optional
restaurant.
3 You_
4 You_
fasten your seat belt now. drink this wine at between
14 and 16°C. 5 Hotel staff _
6 If you're in transit, you the Alitalia desk.
go into this room. _goto
Do not disturb
| Transit passengers please report to British Airways desk |
7 You
8 You
eat this after March 4th. . have any experience to
work here.
Best consumed before March 4th