Be able to là gì? | Khái niệm - cách dùng - Vị trí Be able to trong câu - Bài tập vận dụng

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Be able to là gì? | Khái niệm - cách dùng - Vị trí Be able to trong câu - Bài tập vận dụng

Be able to là gì?

Able (adj - tính từ) có nghĩa là có thể/đủ khả năng làm gì đó. Cấu trúc Be able to được sử dụng để diễn tả việc ai đó có thể làm điều gì.  Ví dụ:

  • She’s able to take care of her cats. (Cô ấy thể chăm sóc những con mèo của tôi.)
  • My mother wasn’t able to meet you yesterday. (Mẹ tôi đã không thể gặp bạn ngày hôm qua.)

Vị trí Be able to trong câu 

Trong câu, Be able to đứng trước động từ. Ví dụ:

  • My sister is able to dance and sing. (Em gái tôi có thể nhảy và hát.)
  • My friend is able to cook. (Bạn tôi có thể nấu ăn.)

Cách dùng cấu trúc Be able to

Dưới đây là chi tiết cách dùng cấu trúc Be able to trong tiếng Anh mà các bạn nên lưu ý:

1. Dạng khẳng định 

Cấu trúc Be able to dạng khẳng định diễn đạt ý nghĩa ai đó có thể làm gì. Công thức:

S + be + able to + V + (O)

Ví dụ:

  • My father is able to speak two languages. (Bố tôi có thể nói được 2 thứ tiếng.)
  • I am able to drive a car. (Tôi có thể lái được xe ô tô.)

2. Dạng phủ định 

Ở dạng phủ định, cấu trúc Be able to có nghĩa diễn tả ai đó không thể làm gì. Cấu trúc:

S + be + not + able to + V + (O)

Ví dụ:

  • The boy hasn’t been able to speak (Cậu bé vẫn chưa nói được.)
  • My cat is not able to swim. (Con mèo của tôi không thể bơi.)
  • She was not able to complete the assignment on time. (Cô ấy không thể hoàn thành bài tập đúng hạn.)

3. Cách dùng Will be able to 

Cách dùng cấu trúc Will be able to tương tự Be able to, tuy nhiên có thêm trợ động từ will, mang nghĩa diễn đạt điều gì đó có thể/ khả năng sẽ xảy ra trong tương lai.

Cấu trúc khẳng định:

S + be + not + able to + V + (O)

Ví dụ:

  • I will be able to visit you next year. (Tôi có thể sẽ đến thăm bạn vào năm sau.)
  • She will be able to become a teacher next year. (Cô ấy có thể trở thành giáo viên vào năm sau.)

Cấu trúc phủ định

S + won’t be able to + V + O

Ví dụ:

  • I won’t be able to visit Singapore next year. (Tôi có thể không đến thăm Singapore vào năm tới.)
  • My boyfriend won’t be able to come here. (Bạn trai tôi có thể sẽ không tới đây nữa.)

Một số lưu ý khi sử dụng cấu trúc Be able to 

Dưới đây là một số lưu ý bạn nên cân nhắc khi sử dụng cấu trúc Be able to nhé!

  • Về ngữ pháp, hãy chú ý đến phần chia động từ to be sao cho đúng thì. 
  • Về ngữ nghĩa, hãy cân nhắc các tình huống, ngữ cảnh để có thể sử dụng thay thế bằng can/could hợp lý. 

Bài tập cấu trúc Be able to có đáp án

Bài 1: Tìm lỗi sai trong các câu sau và sửa lại cho đúng:

1. It’s so nice being able seeing the sea.

2. We didn’t think he is able to do that.

3. Will you can to come to my house tonight?

4. I can’t to help you in this situation. 

5. Ha could able to drive for 2 months. 

Đáp án

1. seeing => to see 

2. is => was 

3. Will you can => Will you be able

4. to help => help 

5. could => has been 

Bài 2: Chọn đáp án đúng nhất

1. The doctor _________ (able) see you right now. He has another appointment.

A. Isn’t able

B. Aren’t able to

C. Isn’t able to

2. I _________ (not / able) make dinner yet. The baby hasn't stopped crying.

A. Haven’t been able to

B. Haven’t been able

C. Wasn’t able to

3. Will you ________ (able) come to my wedding?

A. Be able

B. Be able to

C. Are able to

4. The experts say that everyone _________ learn another language.

A. Was able to

B. Are able to

C. Is able to

5. When I go to Malta next month, I _______ (able) practise my English.

A. Will be able to

B. Was able to

C. Will able to

6. Fortunately, the police _________ (able) rescue the family that was trapped in the car.

A. Is able to

B. Was able to

C. Were able to

7. You need _______ (able) swim if you want to go diving.

A. To are able to

B. To be able to

C. To be able

8. I've always wanted __________ (able) speak another language.

A. Were able to

B. To be able to

C. Am able to

9. She ________ (not / able) walk since she was 10 months old.

A. Was able to

B. Has been able to

C. Is able to

10. She __________ (not / able) do any shopping because she forgot her money.

A. Wasn’t able to

B. Wasn’t able

C. Weren’t able to

11. We will be on holiday next month so we ________ (not / able) go to your party.

A. Haven’t been able to

B. Isn’t able to

C. Won’t be able to

12. I'm sorry that I _________ (not / able) to come to the theatre with you last night.

A. Wasn’t able to

B. Weren’t able to

C. Didn’t able to

13. I _________ (not / able) accept the job because it was too far away.

A. Wasn’t able to

B. Weren’t able to

C. Am not able to

14. __________ (able) reserve a table at the restaurant?

A. You have been able to

B. Have you been able to

C. Did you able to

15. Have you spoken to Jane yet? No, her mobile must be switched off. I _______ to able to talk to her yet.

A. Wasn’t able to

B. Isn’t able to

C. Haven’t been able to

Đáp án

1. C

2. A

3. B

4. C

5. A

6. C

7. B

8. B

9. B

10. A

11. C

12. A

13. A

14. B

15. C

Bài 3: Điền từ thích hợp vào chỗ trống

1. ______ you help me with the bags, please?

2. I’m free tonight, so I’ll______ come and help you.

3. I used to______ touch my toes when I was younger.

4. I remember my brother______ draw much better than me.

5. We______ get a picture of the painting because cameras were not allowed.

6. ______ I come with you to the party?

7. I haven’t______ sleep very well lately.

8. She says that she______speak five languages fluently.

9. We tried, but we______stop the fire.

10. He didn’t want to come but finally we______persuade him.

Đáp án

1. Can/Could

2. Be able to

3. Be able to

4. Could/Was able to

5. Couldn’t/Could not/Weren’t able to

6. Can/Could

7. Been able to

8. Can

9. Couldn’t/Could not

10. Were able to

Bài 4: Chọn đáp án đúng từ các đáp án trong ngoặc.

1. (Could you/Were you able to) find a job when you lived in Spain?

2. The shop is closed. We (can’t/aren’t able to) go there on Sunday.

3. Ann feels much better. She (can/ will be able to) go out tomorrow, I hope.

4. The police (could/ were able to) catch the burglar because he’d set off the alarm.

5. I am sorry for my English. I (could never have/ never been able to) speak without mistakes.

6. Can you remember Jane? You (could/ were able to) see her at Brian’s party last Saturday.

7. Are you free tomorrow night? (Can we/ Are we able to) meet at Mario’s pizzeria?

8. Mum is ill. I’m afraid she (can’t/ won’t be able to) cook next weekend.

9. Fortunately, I can speak Spanish a little bit. I (could/ was able to) give them directions.

10. Peter had nothing to do yesterday morning. He (could/ was able to) cut the grass before it started to rain.

Đáp án

1. were you able to

2. can’t

3. will be able to

4. were able to

5. have never been able to

6. could

7. Can we

8. won’t be able to

9. was able to

10. could

Bài 5: Chọn đáp án đúng.

1. I want to _____ speak Chinese and English.

A. be able to

B. able to

C. can

D. could

2. I will _____  drive as soon as I turn 18, which is just a few months away. 

A. can

B. be able to

C. could 

D. be capable of

3. They didn’t accept the proposal at first but we _____ persuade them.

A. are able to

B. able to

C. will be able to

D. were able to

4. There was nobody to disturb me; therefore, I _____ finish my work.

A. am able to

B. was able to

C. was could

D. can

5. Although Hoa was better than me at badminton, I _____ win her.

A. was able to

B. can

C. could be

D. can able to

6. When my grandfather was a young athlete, he _____ run 42km in 2.5 hours.

A. can

B. was able to

C. was up to

D. be able to

7. How long have you _____ speaking English fluently?

A. can

B. could

C. been able to

D. are able to

8. Do you think people will _____ live forever one day?

A. can be able to

B. could 

C. could be able to

D. be able to

9. Despite being 90 years old, my grandpa _____ walk without any help.

A. can

B. could

C. be able to

D. are able to

10. Linh wasn't at home when I phoned but I __________ contact her at her office.

A. can

B. was able to

C. were able to

D. am able to

Đáp án

1. A

2. B

3. D

4. B

5. A

6. B

7. C

8. D

9. A

10. B

Bài 6: Chia động từ trong ngoặc với can, could hoặc be able to để hoàn thành câu.

1. Martine hopes he _____ (take) a holiday in Japan next year.

2. We _____ (not/sit) down in the waiting room because all the seats were taken. 

3. Sunghoo is very intelligent. He _____ (speak) six languages fluently! 

4. Long _____ (not go) out last night because he had to work overtime.

5. If it doesn’t stop raining, Katie and her friends _____ (not go) to the beach tomorrow.

6. I _____ (find) my notebooks. Has anyone seen them?

7. You _____ (not eat) hamburger in here. It says no food is allowed.

8. Chi _____ (not see) the board properly, so she asked if she could change seats.

9. Unfortunately, they _____ (fix) my phone yesterday, so I have to buy a new one.

10. This child _____ (read) since he was just two years old is a genius.

Đáp án 

1. can take/ will be able to take

2. couldn’t sit / weren’t able to sit 

3. is able to speak / can speak 

4. couldn’t go / wasn’t able to go

5. won’t be able to go

6. can’t find

7. can’t eat

8. couldn’t see / wasn’t able to see 

9. weren’t able to fix / couldn’t fix

10. has been able to read 

Bài 7: Hoàn thành câu với dạng khẳng định hoặc phủ định của Be able to.

1. He _____ play football anymore because of extremely injured.

2. I _____ use this learning English app since I update the latest version.

3. Before finding the instructions on the Internet, Jessica _____ solve the grammar exercises.

4. Fortunately, we _____ catch the 6.00 plane to Japan.

5. I am afraid Ninh _____ translate the document till Thursday.

6. No problem, we _____ visit our parents by noon.

7. Minh is a big eater that _____ eat 2 bowls of noodles for breakfast.

8. If our leader helps us tomorrow, we _____ finish the project on time.

9. Call the doctor, Olivia _____ move her arm at all.

10. All of us enjoyed the online lesson after we _____ join it.

Đáp án 

1. isn't able to

2. am able to

3. wasn’t able to

4. were able to

5. won't be able to

6. will be able 

7. is able to

8. won’t be able to

9. isn’t able to

10. were able to

Bài 8: Tìm và sửa lỗi sai trong các câu sau.

1. He was not able to swimming when he was five years old.

2. Rockie could able to solve the difficult math problem yesterday.

3. They will not able to finish the project on time unless they work harder.

4. Were you able to understand the instructions clearly?

5. Despite being tired, he was able finish the marathon.

6. We was able to find the missing keys after searching for hours.

7. How long have you are able to swim?

8. Bac Ho was able to speaking nearly 30 languages fluently.

9. I'm not sure if I’m able to attend the meeting tomorrow.

10. Students are able to improve their English skills with proper training.

Đáp án

1. swimming ➜ swim. Sau be able to + động từ nguyên mẫu

2. could ➜ was. Chia cụm từ be able to theo thì quá khứ đơn (yesterday)

3. able ➜ be able to. Will be able to diễn đạt khả năng trong tương lai.

4. Đúng.

5. was able finish ➜ was able to finish. Thêm to để có dạng đúng của be able to.

6. was ➜ were. Ở thì quá khứ, động từ tobe của we là were.

7. have you are able ➜ have you been able. Chia động từ tobe theo thì hiện tại hoàn thành, diễn đạt

khả năng từ quá khứ đến hiện tại.

8. speaking ➜ speak. Be able to + động từ nguyên mẫu.

9. Đúng.

10. Đúng

Bài 9: Chọn ra đáp án đúng nhất để điền vào ô trống

1. She’s so tired, she___ go out of the house

A. Can’t

B. Able to

C. Can

2. She____ answer the phone, she’s very busy

A. Unable to

B. Can’t

C. Able to

3. She able to___ very fluently

A. Read

B. Reading

C. Reads

4. We can____ the same air

A. Breathe

B. To breathe

C. Breathing

5. Luckily she____ able to make it in time

A. Was

B. Is

C. Wasn’t

Đáp án:

1. Can’t

2. Can’t

3. Read

4. Breathe

5. Was

Bài 10: Hãy tìm ra các các lỗi sai trong các câu sao đây

1. I can’t to help him right now 

2. He can eaten so many times a day

3. I didn't know I’m could do everything so perfectly

4. It's the first time I’m able to speaking so fast

5. I’m able to controls my appetite

Đáp án

1. I can’t help him right now 

2. He can eat so many times a day

3. I didn't know I could do everything so perfectly

4. It's the first time I’m able to speak so fast

5. I’m able to control my appetite

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