Exercise 1 page 234

1. a) is

    b) am 

    c) can't

2. a) can

    b) are

3. a) isn't

    b) can't

    c) can't

    d) is

4. a) are

    b) can't

Exercise 2 page 234

1. could
2. was
3. was
4. was
5. was
6. was
7. wan't

Exercise 3 page 234

1. was
2. could
3. were
4. couldn’t
5. were 
6. were
7. wasn’t
8. were
9. were
10. was
11. were
12. could
13. weren’t
14. were
15. were
16. wasn’t
17. wasn’t
18. were

Exercise 4 page 234

1. I was tired
2. I couldn't phone
3. my phone was in
4. David was really horrible
5. we were with
6. I didn't hit
7. David wasn't happy

Exercise 5 page 234

1. When you were ten you could swim?
2. Why was Carole angry last night?
3. Simon couldn't help me with homework.
4. When Nikki was in primary school she could play the guitar.
5. My friends weren't at home at the weekend.
6. I couldn't find my wallet anywhere.