Pag 191 es 1
a) Can I ask you something?
b) Can you tell me the time please?
c) Could we go for a walk later?
d) it's quite cold in here. Will you close the window Pete?
e) Excuse me, can I have your autograph?
f) Would you do me the honour?
g) Can we all go in one can?
h) Shall we meet directly at the airport?

Pag 192 es 2
a)
A: Hi Terry, could you tell me the way to the railway station?
B: certainly. Walk up this road as far as the church. Then take the second turning on te left, go past the little share, then....
A: Er... It sounds a bit complicated. Would you draw me a map?
B: Ok. Oh but wait. Paula is also going to the station ______ asking her to give you a lift?
b)
A: Shall we go out tonight or would you like to have a quiet night in?
B: i'm easy you decide.
A: well, let's go out then. Do you mind trying the New Mexican place in town?
B: sounds brilliant. Can you pick me up at the office at around 7 o'clock?
A: no problem
c)
A: Would you sing on the dotted line, madam?
B: I am sorry I haven't got a pen. Could I borrow yours?
A: of course. Could you also fill in this form, please?
B: Alright. Oh i don't think I understand any of this.
A: Would you like to me to help you?
B: That's very kind of you.

Pag 192 es 3
Jill : Hi Jackie what's the problem?
Jackie: I have just argue with Helen. I'm really worried about her.
Jill: your sister? why have you argued? what's wrong?
Jackie: She is spending all her time on Internet. I'm worried she is got into a chat room or something. She won't tell me what she does five or six hour a day.
Jill: That's bad. Shall speak to her?
Jackie: Would you do that? That's great thanks. I would tell you all the details. She won't listen me.
Jill: Ok. Will you like me to speak to your mum too?
Jackie: Well, I don't want to worry my mum now. But if Helen refuses to talk to you, I will tell her.
Jill: Are you sure it's a chat and not research for school?
Jackie: When I look at the screen all I see are little boxes full of words. That's not research. And I looked at her school work. It's terrible!
Jill: I see. Shall I speak to her tomorrow afternoon? Would you call me when she gets home?
Jackie: Oh yes great. Thanks Jill. Would you mind not telling anyone about this?
Jill: Of course not. My lips are sealed.

Pag 195 es 1
a) You mustn't tell her the truth - she had be hurt.
b) All the people who work here have to clock in at 7.30.
c) We don't have to rush to the station - it's only five minutes away from here.
d) I'm afraid we will have to call your parents and tell them about your misbehaviour in class.
e) We mustn't forget to pack our camera.
f). She must worry about her future- her parents are wealthy.
g) Sorry for working you up this morning, but I had to take the earlier train.
h) The children mustn't play with my computer- is that clear?

Pag 195 es 2
a) We must be back by 4 o'clock.
b) do you have to work on Saturday?
c) Tomorrow I must go to the dentist.
d) You can't be careful when crossing the road.
e) Excuse me sir, you can't smoke in here.
f) You must stay outside,they will call you when it's your turn.
g) Bags can't be left unattended.
h) You mustn't park here unless you work in this building.

Pag 195 es 3
Fiona: This is your bedroom, Nina. I hope you like it.
Nina: it looks great.
Fiona: There is a computer, a telephone, a stereo, a television...
Nina: Can I use the computer to sends email?
Fiona: Yes, you can. You can surf the net whenever you like. We have 24 hour free connection. Of course you must download the films or music. You know, it's forbidden.
Nina: I know. _______ I ______ to play music?
Fiona: Yes,you are, but not too loud
Nina: oh no. I won't. You see in the other family I was leaving with I had to put on headphones if I wanted to listen to music.
Fiona: You don't have to use a handphones here, don't worry.
Nina: thanks Fiona.
Fiona: you are welcome. Oh one more thing. You absolutely mustn't smoke in there in here. And of course no alcohol. And you _____ to have friends stay over either.

Pag 196 es 4
a) you don't have to finish the essay today. it's for next week.
b) The doctor says I have to lose weight.
c) you must stop smoking if you want to get better.
d) The judge said that you must stay away from her.
e) One day we will have to function without oil.
f) We didn't have to wear uniforms in school we could wear whatever we wanted.
g) at least you must change trains.
h) You mustn't enter when mass is in progress.
I) You have to leave at once!

Pag 196 es 5
a). She doesn't have to work. She is from a wealthy family.
b) In countries like England, Australia, Japan, you got to drive on the left.
c) You don't need to type all those poems. You can download them from the Internet.
d) We need return all library books by the end of the month.
e) You mustn't work so hard or you will become ill.
f) You don't need to pay for the water- it's free.

Pag 196 es 6
Now turn on the car. Good. Now start driving slowly. There before leaving the car park you have got to stop and look both ways, and then you use your indicator before driving out.
Good now turn left and go along the street. You have got to look in your rearview mirror regularly to see the cars behind you. Now this is roundabout. You mustn't drive fast, if you go too fast you risk an accident. Now move forward and drive to the right. You have got to put your indicator on the left, to show you are continuing. Before leaving the roundabout, you must indicate right. Fine now remember you have got to obey the speed limit. Now here's a stop sing so you must stop. After the next road you must turn left. The road to the right it is a one way street you mustn't go that way.

Pag 198 es 1
a) She worries too much. She should relax more.
b) You should take your work more seriously.
c) My train is in an hour. I'd better go now.
d) I don't think you shouldn't listen to stella.
e) I fell so embarrassed. What should I do?
f) What a nasty cough! You ought to see a doctor.
g) We had better check the train timetable before we leave.
h) You oughtn't to write in library books.

Pag 198 es 2
a) You don't look well. You ought to take some vitamins.
b)I had better not make the same mistake again.
c) I can't see well. I should have my eyesight checked.
D) we had better call a taxi now. It's late.
e) Should we make another appointment for next week?
f)Where is he? He ought to be home by now.
g) You had better not show your mother those dirty clothes. She will be really angry.

Pag 199 es 1

a) I'm marrying Suzie. What? You can't be serious. You've just met each other.
b) I can tell by accent she is a foreigner. She must be German.
c) He must have already left. His coat's gone and he's switched off his computer.
d) Paul must be home from work. That's his car.
e) I must have left my wallet at the hairdresser. I can't find it anywhere.
f) Those can't be her shoes. They're too big.
g) Who's phoning now? It'll be Simon. He always call at this time.
h) Melinda can't be coming to the party. She would have been here by now.