Unit 10     10B Present perfect  affirmative, page 91

Exercise 1

Past simple Past participle

1 study studied studied

2 use used used

3 know knew known

4 watch watched watched

5 plan planned planned

6 speak spoke spoken

Exercise 2

1 Charles has moved to London.

2 Mum has cooked dinner.

3 Henry and Sally have sold their house.

4 We’ve invited 50 people to our party.

5 Becky has grown four centimetres taller this year.

Exercise 3

1 ’ve packed

2 ’ve caught

3 ’s stopped

4 has broken down

5 has just taken off

6 ’ve missed

7 has landed

8 ’ve dropped

9 ’s begun

10 ’ve left

11 ’ve got

12 ’ve reserved

Exercise 4

1 ’ve just heard 2 ’ve just had 3 ’s just arrived

4 ’s just gone 5 ’ve just sent 6 ’s just stopped

Challenge! page 91

Students’ own answers