Exercise 16: Give the correct verb tense 
1. Son (be)_____from Vietnam. He (speak)_____Vietnamese. He can (speak)_____English, too.He (live)_____ with his family in Ho Chi Minh City. He often (go)_____ to school on Sundays to practice his English. Tomorrow (be)_____Sunday. He (walk)_____ to school tomorrow. Now he (read)_____a book.
2. He never (close)_____the door before he (leave)_____ home.
3. Lan always (take)_____a shower when she (come)_____home.
4. My friends always (have)______ lunch at school.
5. My girlfriend never (stay)_____ up late.

Exercise 15: Give the correct verb tense 
1. Don't (waste)_____electricity.
2. There (be)_____three bedrooms in the house.
3. He (go)_____ to school with me every day.
4. _____Thu(watch)_____TV just now?
5. Listen! What_____ they (talk)_____ about?
6. My cousins (learn)_____English and I (read)_____a book now.
7. My friends(take)_____a trip to Da Lat next week.
8. We should (protect)_____the forests
9. Let' s (help)_____her.
10. She (not, want)_____ any tea, She (want)_____ some coffee.