5. Complete the sentences using can, can’t, couldor couldn’t.

(Hoàn thành các câu bằng cách sử dụng can, can’t, could hoặc couldn’t.)

1. ……….. that child prodigy play the piano when she was two?

2. The boy on TV now ……….. remember 1,000 different numbers – he’s amazing!

3. My little sister ……….. write any words at the moment, but she can read easy sentences.

4. We ……….. play tennis when we were ten, but we’re good at it now.

5. That famous artist ……….. paint well at an early age.

6. How many languages ……….. your cousin speak now?

V. Complete the sentences. Use can, can’t, could, couldn’t and the verb from the box.

cook come hear pass persuade

beat play run walk write

1. Some robots ……………….. musical instruments now.

2. Tom …………………… when he was less than one year old.

3. I’m afraid I……………………. to your party tonight.

4. My brother ……………………… very well. He is a chef in a French restaurant.

5. John was an excellent tennis player. He ……………….. anybody.

6. If you try hard, you …………………….. your examinations.

7. They so was busy that they ………………………….. me a message.

8. This telephone is terrible. I ………………………. you at all.

9. When Tom was 16, he …………………………. 100 metres in 11 seconds.

10. We tried hard but we ……………………….. them to come with us.

VI. Complete the sentences with can, can’t, could, couldn’t, will be able or won’t be able.

1. ________________ robots in the past help astronauts on board the space station?

2. Robots of the future________________ to cook our food and even run our cars.

3. There are some things that robots________________ do but people can.

4. In 20 or 30 years, some robot________________ to talk like a human.

5. When he was young, he ________________ speak English at all.

6. I’m really sorry, but I________________ to attend your birthday party.

7. I don’t think robots________________ do all of our jobs.

8. My brother________________ to start school until next year.

9. Some years ago, robots ________________ clean the house, but now they can.

10. By the age of eight she ________________ speak English and French quite well.

VII. Complete each blank with a correct word.

1. In the future, robots will help us ___________ the laundry.

2. My robot will help me do the ___________. It will grow and take care of the plants in our 

small garden.

3. Will robots be ___________ to understand what we say?

4. Robots in the past ___________ talk, but now they can.

5. Space robots can build space ___________ on the Moon and other planets.

6. Home robots can do all the ___________, such as cooking, cleaning, washing the dishes.

7. In ten years, robots will wake you up in the morning and ___________ your bed.

8. Doctor robots can help ___________ people in a hospital.

Exercise 2: Rewrite the sentences using too.

1. This soup is very hot. We can’t eat it.



2. This morning is very cold. We couldn’t go swimming.



3. She can’t carry the box; it’s very heavy.



4. The room was very dirty. Nobody can learn it.



5. It was very late. She couldn’t go home.



6. The class was very tired. The teacher couldn’t explain the lesson.



7. She couldn’t see the film because it was very boring.



8. You can’t catch any taxi to the airport because it is very early.



9. It was very cold. They couldn’t keep working in the field.



10. The fair was very noisy. We couldn’t hear each other.



Fill in the gaps with can, can’t, could, couldn’t, or was/ wasn’t able to.
0. I had my hands full, so I .......couldn’t/ wasn’t able to.............................. open the door.
1. When I was young, I .......................................................................... stand on my head.
2. Although he felt ill, he ........................................................................ finish all the paperwork.
3. Tony is clever. He ............................................................................... speak three languages.
4. I ............................................................................... afford that bag. It’s too expensive.
5. Although it was dark, he ...................................................................... find his way through the woods.
6. I heard his voice calling me, but I ...................................................... see him.
7. We’re busy tonight, so we ................................................................... come to the party.
8. When I entered the house, I ............................................................ smell fresh bread baking.
9. I ............................................................................... drive a car. I learnt when I was eighteen.

III. Rewrite the sentences or combine each of the following pairs of sentences into one:

1. You are very young. You can’t have a front-door key (so. . . that)

…. . …………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. It was very cold. We couldn’t bathe (so. . that)

. ………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. I am rather old. I can’t wear that kind of hat. (so. . . that) …………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4. The road is very narrow. Two cars can’t pass each other. (so. . . that)

………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5. It’s not very dark. We can’t see the stars clearly. (enough)

………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6. The house is very expensive. Nobody can buy it. (such. . . that)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7. The boy is very nice. We all like him. (such. . . that)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8. The weather was cold. We couldn’t go out. (such. . . that)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9. The room was very dark. We couldn’t see anything. (such. . that)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10. The day was nice. We decided to go to the beach. (such. . that)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11. The floor wasn’t strong. We couldn’t dance on it (enough)

……………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12. The ice is quite thick. We can walk on it (enough)

………………………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13. The package is very thick. I can’t push it through the letterbox (too)

…………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14. Nobody could move the piano. It was too heavy. (too)

……………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15. Don’t stand on that chair. It is not strong. (enough)

………………………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16. I can’t wear this coat in winter. It’s not warm. (enough) …………………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17. I can’t take a photograph. It is very dark. (too)

………………………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18. I was very excited about going away. I couldn’t sleep. (too)

………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19. It’s a good book. I can’t put it down. (such. . that)

…………………………………………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20. He has difficulty finding shoes to fit him because his feet are very big. (so. . . that)

………………………………. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21. Peter is very young so he cannot join in our trip. (too)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22. My sister is very angry. She can’t say anything. (so. . . that)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23. This jacket is very small. I can’t wear it. (too)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24. It’s very early. Mr Brown can have a cup of coffee before going to work. (enough)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25. She can’t get married because she is not old. (enough)

-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

VIẾT LẠI CÁC CÂU SAU ĐÂY DÙNG “TOO HOẶC ENOUGH ….. TO V”

1. This soup is very hot. We can't eat it.

2. These oranges are ripe. You can eat them.

3. This morning is very cold. We couldn’t go swimming. 

4. She can’t carry the box; it’s very heavy.

5. The room was very dirty. Nobody can learn it.

6. It was very late. She couldn’t go home. 

7. The class was very tired. The teacher couldn't explain the lesson. 

8. They can’t sleep. They aren’t tired. 

9. She couldn’t see the film because it was very boring. 

10. She is old, so she can drive a car. 

11. All students had to stay at home because it rained heavily. 

12. You can’t catch any taxi to the airport because it is very early. 

13. The truck can go through the gate because it is very wide. 

14. Tom was very brave boy, so all his friends admired him.

15. The room was very comfortable. We all fell asleep easily.

16. It was very cold. They couldn’t keep working in the field. 

17. He spoke slowly. We could understand him. 

18. The fair was very noisy. We couldn’t hear each other.

19. The soup is very excellent. We will have some.

20. They were very tired, so they stopped working. 

21. The question was very hard. We couldn’t answer it

22. The TV programmer is very exciting. The children won’t miss it

23. You’re very young. You can’t drive that car

24. She was tired. She didn’t go anywhere

25. These shoes are very small. I can’t wear them 

26. He is so weak. He can't run.

27. The coffee was very hot. I could drink it.

28. He has a lot of money. He can buy a car. 

29. He is very intelligent. He can do it. 

30. Tom is strong. He can lift the box. 

31. The weather is fine. Mary and her little brother can go to school. 

32. The sun is not warm. We can't live on it. 

33. The water is quite warm. I can drink it.

34. The weather is so bad that we can’t go out.

35. The film was so boring that we couldn’t go on seeing it.

36. He was so old that he couldn’t run fast.

37. He spoke so fast that we couldn’t understand him.

38. The fair was so noisy that we couldn’t hear each other.

39. You speak so fast that I can’t catch up with your words.

40. It is so early that we can’t go out.

41. The water is so hot that I can’t drink it.

42. The restaurant is so expensive that we can’t eat in that restaurant

.43. He studied so badly that he couldn’t pass the exam.

44. The price of the house is very high. We can't buy it.

45. The story was very funny. We couldn't stop laughing. 

46. The film was very boring. We left before the end. 

47. The road is too long for us to go on foot. 

48. There were so many exercises that I couldn't finish them in a short time. 

49. I am very unhappy, so I cannot go out with him.

50. They sang very badly. I could invite them to the party

Giúp tui vs. Hu Hu . Nhiều bài quá !!!!!!!!!!!!!

VIẾT LẠI CÁC CÂU SAU ĐÂY DÙNG “TOO HOẶC ENOUGH ….. TO V" 

1.The question was very hard. We couldn’t answer it

2. The TV programmer is very exciting. The children won’t miss it

3. You’re very young. You can’t drive that car

4. She was tired. She didn’t go anywhere

5. These shoes are very small. I can’t wear them 

6. He is so weak. He can't run.

7. The coffee was very hot. I could drink it.

8. He has a lot of money. He can buy a car. 

9. He is very intelligent. He can do it. 

10. Tom is strong. He can lift the box. 

11. The weather is fine. Mary and her little brother can go to school. 

12. The sun is not warm. We can't live on it. 

13. The water is quite warm. I can drink it.

14. The weather is so bad that we can’t go out.

15. The film was so boring that we couldn’t go on seeing it.

16. He was so old that he couldn’t run fast.

17. He spoke so fast that we couldn’t understand him.

18. The fair was so noisy that we couldn’t hear each other.

19. You speak so fast that I can’t catch up with your words.

20. It is so early that we can’t go out.

21. The water is so hot that I can’t drink it.

22. The restaurant is so expensive that we can’t eat in that restaurant

23. He studied so badly that he couldn’t pass the exam.

24. The price of the house is very high. We can't buy it.

25. The story was very funny. We couldn't stop laughing. 

26. The film was very boring. We left before the end. 

27. The road is too long for us to go on foot. 

28. There were so many exercises that I couldn't finish them in a short time. 

29. I am very unhappy, so I cannot go out with him.

30. They sang very badly. I could invite them to the party

Giúp tui vs. Hu Hu . Nhiều bài quá 

I.         Using “can”, “can’t” or “couldn’t” to complete the sentences.

Ex: - You don‟t have to buy vegetables. I ...can give... (give) you some.

- I ...couldn’t watch... (watch) that program last night because I had a lot of things to do.

1.He ..................... (go) to school last week because he was ill.

2.He eats in restaurants all the time because he ..................... (cook).

3.I ................ (give) you a lift in my car because it isn‟t working at the moment.

4.I didn‟t have a good seat in the theatre, so I ............. (see) the stage very well.

5.Jane doesn‟t need a calculator. She ......... (do) very difficult sums in her head.

6.She‟s very good at music. She ..................... (sing) this song well.

7.I ..................... (find) my tennis racquet. Have you seen it?

8.He spoke very quickly and I ..................... (understand) anything he said.

9.We ..................... (go) on the trip because we ..................... (afford) it. It was too expensive.

10.I ..................... (do) any more work because I was very tired, so I stopped