Key to Exercises 17-20

Key to Exercises 17-20

UNIT 17
17.1
3  Have you ever been to Australia?
4  Have you ever lost your passport?
5  Have you ever flown in a helicopter?
6  Have you ever won a race?
7  Have you ever been to New York?
8  Have you ever driven a bus?
9  Have you ever broken your leg?

17.2
Helen:
2  She’s/She has been to Australia once.
3  She’s/She has never won a race.
4  She’s/She has flown in a helicopter a few times.
    You (example answers):
5  I’ve/I have never been to New York.
6  I’ve/I have played tennis many times.
7  I’ve/I have never driven a lorry.
8  I’ve/I have been late for work a few times.

17.3
2-6
She’s/She has done a lot of interesting things.
She’s/She has travelled all over the world, or
She’s/She has been all over the world.
She’s/She has been married three times.
She’s/She has written ten books.
She’s/She has met a lot of interesting people.

17.4
2  been
3  gone
4  been
5  been
6  gone
7  gone
8  been

Exercises Unit 18 How long have you … ?

UNIT 18
18.1
3  have been
4  has been
5  have lived / have been living
6  has worked / has been working
7  has had
8  have been learning

18.2
2  How long have they been there? or … been in Brazil?
3  How long have you known her? or …known Amy?
4  How long has she been learning Italian?
5  How long has he lived in Canada? / How long has he been living… ?
6  How long have you been a teacher?
7  How long has it been raining?

18.3
2  She has lived in Wales all her life.
3  They have been on holiday since Sunday.
4  The sun has been shining all day.
5  She has been waiting for ten minutes.
6  He has had a beard since he was 20.

18.4
2  I know
3  I’ve known
4  have you been waiting
5  works
6  She has been reading
7  have you lived
8  I’ve had
9  is … He has been

Exercises Unit 19 for since ago

UNIT 19
19.1
3  for
4  since
5  since
6  for
7  for
8  for …since

19.2
Example answers:
2  A year ago.
3  A few weeks ago.
4  Two hours ago.
5  Six months ago.

19.2
Example answers:
2  A year ago.
3  A few weeks ago.
4  Two hours ago.
5  Six months ago.

19.3
3  for 20 years
4  20 years ago
5  an hour ago
6  a few days ago
7  for six months
8  for a long time

19.4
2  Jack has been here since Tuesday.
3  It’s been raining for an hour.
4  I’ve known Sue since 2008.
5  Claire and Matt have been married for six months.
6  Laura has been studying medicine (at university) for three years.
7  David has played / David has been playing the piano since he was seven years old.

19.5
Example answers
2  I’ve been in the same job for ten years.
3  I’ve been learning English for six months.
4  I’ve known Chris for a long time.
5  I’ve had a headache since I got up this morning.

Exercises Unit 20 I have done (present perfect) and I did (past)

UNIT 20
20.1
2  I started (it)
3  they arrived
4  she went (away)
5  I wore it

20.2
3  I finished
4  OK
5  did you finish
6  OK
7  (Steve’s grandmother) died
8  Where were you / Where did you go

20.3
3  played
4  did you go
5  Have you ever met
6  wasn’t
7  ‘s/has visited
8  switched
9  lived
10  haven’t been

20.4
1  Did you have … was
2  Have you seen … went … haven’t seen
3  has worked / has been working … was… worked … didn’t enjoy
4  ‘ve/have seen … ‘ve/have never spoken …
    Have you ever spoken … met

Key to Exercises 17-20