IV
1. plays
2. will go
3. Will / collect
4. to do
5. going
6. did
7. are playing
8. do
9. playing
10. have collected
V
1. collection
2. birdwatched
3. photography
4. interesting
5. Carved
6. activity
7. unusual
8. creative
VI
1. Nam is my classmates. He watches TV every night.
⇒ Nam is my classmate . He watches TV every night.
2. I think collecting stamps are interesting.
⇒ I think collecting stamps is interesting.
3. My dad cooks very good. He loves preparing meals for our family.
⇒ My dad cooks very well. He loves preparing meals for our family.
4. I enjoy to ride my bike to school.
⇒ I enjoy riding my bike to school.
5. We usually go in a small lake out of the city at weekends.
⇒ We usually go to a small lake out of the city at weekends.
6. Do you still play football next year?
⇒ Will you still play football next year?
7. We like doing fishing because it is relaxing.
⇒ We like going fishing because it is relaxing.
8. Do you think bird-watching interesting?
⇒ Do you find bird-watching interesting?
