số lớn nhất có 0 chữ số là:

_ko có số nào hết

1.couldn't

2.could

3.couldn't

4.couldn't

5.could

6.couldn't

7.couldn't

8.could

9.couldn't

10.could

I couldn't play the guitar because it wastoo  difficult for me.

1. The boy can’t wear the shirt because it’s very tight.
--> The shirt is so tight that the boy can’t wear it.
-->The shirt is too tight for the boy to wear.
2. This problem is very difficult. He can’t solve it.
--> The problem is too difficult for him to solve.
--> It is such a diffucult problem that he can\'t solve it.
3. The man wasn\'t able to go on an expedition to the Middle East because of his age.
--> The man was too old to go on an expedition to the Middle East.
4. Hoa is very sick. She can’t sit up.
--> Hoa is so sick that she can\'t sit up.
5. It was very dark, so she couldn’t go out.
--> It was too dark for her to go out.
6. That car was too old for me to buy.
--> That car was so old that I can\'t buy.

7. The movie was so funny that we couldn’t stop laughing.
--> It was such a funny movie that we couldn\'t stop laughing.

8. No one could move the piano. It was very heavy.
--> The piano was too heavy for eveyone to move.

9. We shouldn’t swim in this river. The water isn’t clean.
--> This river isn’t clean so we shouldn\'t swim in this river.
10. John couldn’t get to sleep last night. He was worried about exam.
--> John was so worried about exam that he couldn\'t get to sleep at night.
11. It was a good book. I couldn’t put it down.
--> It was such a good book for me to put it down.
12. They were beautiful flowers. We took a photograph of them.
--> They were beautiful flowers so we took a photograph of them.
13. She speaks English well. You would think it was her native language.
--> She speaks English well so you would think it was her native language.
14. A taxi would have been best. But I didn’t have enough money.
--> I didn’t have enough money although a taxi would have been best.
15. All my guests will need chairs. But I haven’t got very many.
--> I didn’t have many chairs although all my guests need it.

dài quá bạn ơi, bạn ghi ngắn lại đi, ghi một lần khoảng 5 câu thôi

Điền ‘can’, ‘can’t’, ‘could’ hoặc ‘couldn’t’ vào chỗ trống.

1. Could you swim when you were 10?

2. We couldn't get to the meeting on time yesterday, because the train was delayed by one hour.

3. He’s amazing, he can speak five languages, including Chinese.

4. I looked everywhere for my glasses but I can't find them anywhere.

5. She’s seven years old, but she couldn't read yet. Her parents are getting her extra lessons.

6. I read the book three times, but I can't understand it.

7. James could speak Japanese when he lived in Japan, but he’s forgotten most of it now.

8. I couldn't understand the chapter we had to read for homework. It was so difficult.

9. I can't lift this box – it’s too heavy! Would you help me?

10. Lucy couldn't make it to our meeting after all. She’s stuck in traffic.

11. John can play tennis really well. He’s champion of his club.

12. Unfortunately, I really couldn't sing at all. No-one in my family is musical either.

13. Julian could play golf excellently when he was only ten.

14. My grandmother could use a computer until last month. Since then she’s been taking lessons at the library.

15. I can't open this window! I think it’s stuck.

16. Gill can't play the piano. She has never studied it.

Fill in with the correct form of the verbs in brackets

One rainy Saturday it was too wet ...to go.... (go) outside so I decided ....to spend.... (spend) the day clearing out the attic. I was busy ....clearing.... (clear) away some papers when I noticed something which made me ...stopped... (stop) what I was doing. It was a dusty old diary. Without ....hesitating.... (hesitate) I opened it and was surprised .....to see..... (see) it had belonged to my grandmother, now dead. I spent the rest of the afternoon ....reading.... (read) it and was surprised ....to learn..... (learn) many interesting things about her past. I knew it would be worth ....having.... (have) it published. I was right and I have only one regret, I wish my grandmother could ....be.... (be) here to enjoy the fame.

One rainy Saturday it was too wet to go...... (go) outside so I decided .to spend....... (spend) the day clearing out the attic. I was busy ..to clear...... (clear) away some papers when I noticed something which made me stop...... (stop) what I was doing. It was a dusty old diary. Without .hesitating....... (hesitate) I opened it and was surprised .to see......... (see) it had belonged to my grandmother, now dead. I spent the rest of the afternoon .reading....... (read) it and was surprised ..to learn....... (learn) many interesting things about her past. I knew it would be worth .having....... (have) it published. I was right and I have only one regret, I wish my grandmother could .have been....... (be) here to enjoy the fame.

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