Pag. 76 ex. 1
1 gone
2 become
3 forgotten
4 been
5 told
6 eaten
7 taken
8 done
9 heard
10 run
11 seen
12 known
13 woken
14 found
15 had
16 bought
17 read
18 made

Pag. 76 ex. 2
1 We’ve missed the bus.
2 The car has broken down.
3 I’ve lost my keys.
4 There’s been an accident.
5 At last it has stopped raining.

Pag. 77 ex. 3
1 began
2 bought
3 had
4 sold
5 expanded
6 started
7 has sold
8 bought
9 died
10 has had
11 bought

Pag. 77 ex. 4
1 How long is it since you last saw Andrea?
2 It’s been ages since we last saw Katie.
3 I haven’t been to a party for months.
4 I haven’t played tennis for about two weeks.
5 This place has changed a lot.

Pag. 77 ex. 5
1 I’ve never been in a foreign country.
2 I’ve lived in Rome for ten years.
3 I lived in Milan for five years.
4 Have you heard? Simona has broken her arm.
5 Oh no! I’ve lost my phone.
6 How long have you known Lorenzo?
7 Have you ever been on the TV?
8 Mr Vecchio has taught here since 2000.

Pag. 78 ex. 1
1 He’s been painting the fence.
2 They’ve been arguing.
3 She’s been running.
4 He’s been playing the violin.
5 He’s been riding all day.

Pag. 79 ex. 2
1 Belinda’s been living here since April.
2 It hasn’t stopped raining since this morning.
3 How long have you been doing your homework?
4 Lilly has been playing the piano for two years.
5 How long has Carlos been watching TV?
6 I haven’t been feeling well all day.

Pag. 79 ex. 3
1 haven’t been doing
2 have been staying
3 have been revising
4 have been going out
5 have been seeing
6 have been going out

Pag. 79 ex. 4
1 I have been listening a lot of music recently.
2 I’ve been staying at home a lot.
3 I’ve been watching a lot of TV.
4 I’ve been spending a lot of money.
5 I’ve been going to the gym.

Pag. 82 ex. 1
1 A You’re soaking wet! What have you been doing?
B We’ve been cleaning the windows.
2 A Have you been working all evening?
B Yes. I’ve been doing my science homework.
3 A What have you been buying?
B Oh, just a few clothes. I’ve been spending my birthday money!
4 A Your eyes are red. Have you been crying?
B No, I’ve been cutting onions.
5 A How long have you been waiting?
B About 20 minutes. I’ve been trying to get a taxi instead, but they’re all busy.

Pag. 83 ex. 2
1 has been
2 have been working
3 have been having
4 have been

Pag. 83 ex. 3
1 I haven’t seen Larissa for ages.
2 It’s been raining since midday.
3 Ernesto has been interested in astronomy since he was a child.
4 I haven’t been to the cinema for about six months.
5 He has been waiting for ten minutes.
6 I’ve been in the UK twice already.

Pag. 83 ex. 4
1 I’ve watched two DVDs today.
2 I’ve been watching TV for twenty minutes.
3 How long have you been doing your homework?
4 I’ve finished my homework.
5 Oh no! I’ve lost my keys!
6 I’ve left my phone on the bus yesterday, but somebody found it and gave it to the police. I haven’t retired it yet.