P. 143 ex.1
b) Sophie is out at the shops at the moment. Sophie has been going to the shops.
c) I've had French lessons since March. I've had French since March.
d) I'm still reading this book. I've been reading this book.
e) Paul left the room a moment ago. Paul has just left the room.
f) It's ages since I last went to the cinema. I've not gone to the cinema for ages.
g) This is the first time I've eaten snails. I've never eaten snails before.
h) I don't remember Helen's phone number. I've not had Helen's phone number.

Ex.2
b) I've received Tony and Barbara's wedding invitation. I didn't know they were getting married.
c) The doctor has been visiting patients all morning.
d) The doctor has visited five patients so far.
e) Tom's been seeing Meg only in a photograph.
f) Tom has seen Meg for almost a year now.
g) Lee's been watching at least three videos since he woke up.
h) Lee's watched videos since he woke up.
i) Who's been eating my chocolates? There are none left.
j) Who's eaten my chocolates? There are only two left.

Ex.3
b) I am! I have been studying all day, and I haven't finished yet.
c) I have been phoning Carol all day, but there's no reply.
I expect she has been going swimming with her friends.
d) Have you heard the news?
What news?
Someone have robbed the bank at the end of the road.
e) That's a silly question! I have broken it, of course.

Ex. 6
a) No problem. I have only just gotten here myself.
b) Guess what? I have been stopping smoking.
Really? I have never smoked.
c) How long have you been following this diet?
For a while. But I have been also doing physical exercise.
d) I have seen a lot of Ken recently.
How long have you been knowing each other?
e) We have been had problems with our television lately.
Have it ever broken down before?
f) I need to stretch my legs. I have been sitting down all day.
Let's go for a walk. I have finished reading this newspaper.

Ex. 5
I have been really busy all day in the office. People have been coming in asking for all sorts of things and the phone have not stopped ringing. The computer technician have come twice already to fix my computer, but he has also has not solved the problem. My computer have made a strange noise since I switched it on this morning. I have been only doing half of what I wanted to do, but it' not my fault. How about you? What have you been doing all day?

Ex. 6
O: Where are you exactly?
D: Well, I've managed to push the car to the side of the motorway. It's just past the exit for Dorchester, direction south.
O: I see. Have you been waiting there for long?
D: I've been sitting here for 20 minutes, but I can't get the car to start.
O: have you checked the battery recently?
D: It seemed ok yesterday. I don't think it's the battery.
O: And what about petrol. Have you filled the car recently?
D: I stop this morning, the petrol tank is full.
O: Has this been happening before?
D: No, never. I've been driving this car for 18 months with no problems.

Ex. 7
b) The rain hasn't been stopping yet.
c) She has been in bed with a fever all day long.
d) Mario has studied Chinese for 4 years but without any real improvement.
e) How long have they discussed the Stretto di Messina?
f) We have been visiting her twice since she went into hospital.
g) They have loved each other secretly for years.

Ex. 8
b) They have gone out together for quite a while.
c) The new Tarantino film has just come out.
d) The dog has been barking all day - what's the matter with him?
e) My digital camera has broken down again!
f) How many mistakes have you found?

Ex. 9
b) He has been already smoking two packets of cigarettes
c) What have you learnt so far?
d) We have been knowing that family for years.
e) He has been looking at me all evening.
f) She hasn't said a word since you left.
g) What have you been doing lately?
h) I have forgot to reserve a table.

Ex. 10
I haven't been living in this town for long, but I have already noticed some important things about it. First of all , some local people have just decided to open a new youth club on a volunteer basis . This is very positive for young people, but I see that your newspaper haven't been reporting the fact. Also, there is an excellent art club and music group which has recently opened an exhibition. But no publicity from you! Why have you not been reporting this event? Another good thing about this town is the sport center - people of all ages have gone to lessons since 1998 when the center opened: but why have you not been informing the public about these lessons in the newspaper?

P. 151 ex. 3
He has been studying science and mathematics at school for several years, but hadn't studied any practical medical subjects. Roddie is now the youngest person in our country to work with the medical volunteers who assist ambulance personnel. He has been helping for 4 months. 'While assisting the experts, I've tried to observe and learn,' says Roddie. Before I started this job, I haven't seen a heart attack or an injury except in books and films and I have never helped a sick person. Now I feel confident I can assist people in emergencies.' 'We have been working with Roddie for several months,' said Derek Gilliam, professional ambulance paramedic, ' and although he hasn't had any experience before he started, he is very enthusiastic and quick, and has learnt a lot.

Ex. 4
a) How long have you been studying English? I'v been studying English since I was 6 years old.
b) Had you studied any English before secondary school? Yes, I had.
c) What vocabulary groups have you been studying over the past month? I don't remember.
d) Have you ever visited ah English-speaking country? Which? Yes, twice. Four years ago I went to London and this year I went to Chester.
e) Have you ever watched a film in English? Which? Yes, a lots but at the moment I remember only "The Great Gatsby".
f) Have you been reading any English books or magazines in class? No, I've not.

Ex. 5
a) Non sono mai stati all'estero prima.
b) Giocano a tennis insieme da anni.
c) Siamo stati fortunati, il tempo era bello.
d) Non ho mai visto niente del genere prima.
e) Non l'ho ancora conosciuta. È carina?
f) Per quanto tempo hai vissuto in quella casa prima di trasferirti?
g) Ti eri appena sposata quando mi sono trasferito in Spagna.
h) Mio padre ha lavorato per Alitalia per 30 anni.

Ex. 6
a) Marco has been living in Paris for a year.
b) We've never been to Greece.
c) Have you met the new secretary yet?
d) I've never seen anything like that before.
e) Sally e Peter have been working together rot many years.
f) Last Saturday we went to Carlo and Daniela's house.
g) When I met Mike he had just moved to Miami.
h) My son was born in that house.