Revision 1- with answers

*Exercise 1: 1b, 2c, 3a, 4b, 5c, 6b, 7a, 8b, 9a, 10b.

*Exercise 2: 1. think- know, 2. Is raining- are wearing, 3. Don't want- am writing, 4. Doesn't usually allow- are going, 5. Don't understand- are saying.

*Execise 3: 1. Usually, 2. Every year, 3. Never, 4. At the moment, 5.  This evening, 6. Seldom.

*Exercise 4: 1. Mate, 2. Understand, 3. Do you want, 4. Don't think, 5. Is, 6. am helping, 7. sounds, 8. don't need, 9. is bringing, 10. am coming, 11. am leaving, 12. aren't doing, 13. are making, 14. Do you want.