Dấu hiệu Chia thì1. Two and two (make) …….. four.2. Leaves (fall) …….. in Autumn.3. The earth (go) …….. around the sun.4. The sun (rise) …….. in the east.5. He (work) …….. in a bank.6. She (get) …….. at five o’clock every day.7. Now she (get) …….. up.8. It (rain) …….. a lot in Summer.9. Look! It (rain) …….. .10. Bees (make) …….. honey.11. Look! The bees (make) …….. honey.12. She (sing) …….. in a church.13. Listen! She (sing) …….. .14. He reads a newspaper while he (wait) …….. for the bus.15. Hello, I (be) …….. Jane. I (be) …….. 13 years old. I (go) …….. Changi High School.16. He sometimes (smoke) …….. but he (not, drink) …….. alcohol. 17. He usually (teach) ……..

English at a school but at the moment he (not, teach) ……..18. Watch out! A car (come) …...19. Thomas (brush) …….. his teeth several times a day. Look! He (brush) …….. his teeth.20. Sheep (produce) …….. wools. Look! They (get) …….. wools from the sheep.21. He usually (sing) …….. while he (work) …….. hard.22. 3+4 (be) …….. greater than 6.23. Hens often (lay) …….. eggs but cows (bear) …….. babies.24. The sun (shine) …….. a lot in Summer. Look! The sun (shine) …….. .25. Roses (smell) …….. sweet.26. Coffee (taste) …….. bitter. 27. I (be) …….. a boy and I (like) …….. actions.28. Water (run) …….. downhill. 29. Listen! The water (run) …….. .30. He never (smoke) …….. : he hates it.

31. There (be) …….. a lot of green grass in Spring and there (be) …….. a lot of snow in Winter.32. He (like) …….. computers.33. She (be) …….. very kind.34. She (sell) …….. mobile phones in a mall.35. Smell! Something (burn) …….. around here.

Exercise 1: Put the verbs in the Past simple.1. Yesterday he (go) …….. to Hanoi.2. Yesterday he (not, do) …….. it.3. Yesterday (you, do) …….. it?4. Last year I (work) …….. in China.5. Last year I (not, work) …….. in Vietnam.6. Last year (you, work) …….. in Vietnam?7. She (be) …….. born in 1990.8. She (not, be) …….. born in 2000.9. (she, be) …….. born in 2011?

10. (she, not, be) …….. born in 2010?

Exercise 2: Put the verbs in the Past continuous.1. He (work) …….. in the garden.2. He (not, work) …….. in the field.3. (he, work) …….. on farm?

Exercise 3: Put the verbs in the Past simple or Past continuous.

1. He (live) …….. in Ho Chi Minh City 5 years ago.2. Pasteur (find) …….. out bacteria.3. Yesterday he (visit) …….. London.4. Yesterday at 9 A.M. he (visit) …….. London.5. In 1975, there (be) …….. an important event.6. Once up on a time a tiger (live) …….. in a forest.7. One day the tiger (come) ……..

to a farmer.8. He escaped while they (talk) …….. to somebody.9. In the old times, people in Egypt (build) …….. the pyramids.10. Columbus (discover) …….. America.

Mixed Tenses: Put the verbs in the Present Simple, the Present Continuous, the Past Simple, or the Past Continuous1. Penguins (lay) ……..eggs.2. Light (travel) …….. at about 300,000 kilometers an hour.3. Look! The penguins (swim) …….. in the sea.4. He usually (sing) …….. in a choir. Listen! He (sing) …….. in the concert hall.5. Shakespeare (write) …….. Hamlet.6. Newton (discover) …….. gravity.7. At the moment the scientists (study) …….. something.

8. In 1969 Neil Armstrong (land) …….. on the moon.9. Yesterday there (be) …….. a bank robbery in Central London.10. In 1010, King Ly Thai To (move) …….. the Capital to a new place.11. Grasshoppers (eat) …….. a lot of plants and trees.12. In 1912 when the Titanic (cross) …….. the Atlantic Ocean , it (hit) …….. an iceberg and (sink) …….. .13. He (work) …….. in the garden at 10 A.M. yesterday.14. Uncle Ho (be) …….. born in 1889.15. They (build) …….. Vinh Trang Pagoda in 1849.16. I (think) …….. . Therefore, I (be) …….. . (René Descartes)17. Men (propose) …….. but god (impose) …….. .