1. Why didn’t they help him?
→ Why wasn’t ___________________________________________
2. How can they open this safe?
→ How can this safe ___________________________________________
3. How did the police find the lost man?
→ How was ___________________________________________
4. How long have they waited for the doctor?
→ When ___________________________________________
→ How long ago ___________________________________________
5. How many marks does the teacher give you?
→ How many marks were ___________________________________________
6. Who lend you this book?
→ By whom ___________________________________________
7. They will hold the meeting before May Day.
→ The meeting ___________________________________________
8. Somebody has taken some of my books away.
→ Some of my books ___________________________________________
9. They can’t repair the engine of the car.
→ The engine ___________________________________________
10. They many use this room for the classroom.
→ This room ___________________________________________
11. The teacher is going to tell a story.
→ A story ___________________________________________
12. John used to visit his parents at weekends.
→ John’s parents ___________________________________________
13. They use milk for making butter and cheese.
→ Milk ___________________________________________
14. They have provided the victims with food and clothing.
→ The victims ___________________________________________
15. My sister can speak four languages.
→ Four languages ___________________________________________
16. The students are writing the lessons now.
→ The lessons ___________________________________________
17. Her teacher taught her how to apply this theory.
→ She ___________________________________________
18. Someone will tell him that news.
→ He ___________________________________________
→ That news ___________________________________________
19. Minh last wrote to his pen pal five months ago.
→ Minh has ___________________________________________
20. The last time we visited Kuala Lumpur was 3 years ago.
→ We last ___________________________________________
→ We have ___________________________________________
→ Kuala Lumpur wasn’t ___________________________________________
→ Kuala Lumpur hasn’t ___________________________________________
21. When did you study English?
→ How long ___________________________________________
→ How long ago ___________________________________________
22. They began building this house 2 months ago.
→ This house has ___________________________________________
→ They have ___________________________________________
23. My father started to work in this factory last week.
→ My father has ___________________________________________
24. How long has he worked in the garden?
→ When ___________________________________________
→ How long ago ___________________________________________
25. How long ago did you learn music?
→ How long ___________________________________________
=>
1. Why wasn’t he helped?
2. How can this safe be opened?
3. How was the lost man found?
4. When did they wait for the doctor?
How long ago did they wait for the doctor?
5. How many marks were you given by the teacher?
6. By whom is this book lent by you?
7. The meeting will be held before May Day.
8. Some of my books have been taken away.
9. The engine can’t be repaired.
10. This room is used for the classroom.
11. A story is going to be told by the teacher.
12. John’s parents used to be visited by him at weekends.
13. Milk is used for making butter and cheese.
14. The victims have been provided with food and clothing.
15. Four languages can be spoken by my sister.
16. The lessons is being written by the students now.
17. She was taught how to apply this theory by her teacher.
18. He will be told that news.
That news will be told to him.
19. Minh has written to his pen pal for five months.
20. We last visited Kuala Lumpur 3 years ago.
We have visited Kuala Lumpur for 3 years.
Kuala Lumpur wasn’t visited 3 years ago.
Kuala Lumpur hasn’t been visited for 3 years.
21. How long have you studied English?
When did you study English?
22. This house has been built for 2 months.
They have built for 2 months.
23. My father has worked in this factory since last week.
24. When did he work in the garden?
How long ago did he work in the garden?
25. How long have you learnt music?