Using 'Because', 'Because of', 'Therefore', 'But', 'However' in English Grammar, Exercises of English

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I. Lý thuyết Because - Because of: bởi vì Though/ Although - Despite/ In spite of: mặc dù

• Theo sau Because, Though, Although là một mệnh đề (tức là theo sau 3 chữ này phải có "S" và "V").
• Theo sau Because of, Despite, In spite of không được là một mệnh đề, mà là một danh từ, cụm danh từ, danh động từ.( có nghĩa là sau 3 từ này phải là 1 danh từ hoặc Ving luôn chứ k được có động từ) A. SO - THEREFORE : được dùng nối nguyên nhân -hậu quả (cause - effect relation)
  1. So : nên. Cth: Nguyên nhân, so + kết quả e.g.: The climate in the Arctic region is very severe, so very few animals can live there. (Khi hậu ở miền địa cực quá khắc nghiệt, do đó rất ít động vật có thể sống nơi đó.)
  2. Therefore: do đó. ( Đứng giữa 2 dấu hoặc đầu câu, đi với kết quả) e.g.: The food prices rise too much; therefore, people's life becomes difficult. (Giá thực phẩm tăng quá nhiều, vì thế/do đó đời sống dân chúng trở nên khó khăn.) B. BUT - HOWEVER : diễn tả sự tương phản (contrast), hay đối lập (opposition).
  3. BUT : nhưng Cth: Vế 1, but + vế 2 ( 2 cái nghĩa trái nhau) e.g.: Mr John is a very rich businessman, but he lives a simple life. (Ông John là một thương gia rất giàu, nhưng ông sống cuộc sống giản dị.)
  4. HOWEVER: tuy nhiên ( giống but nhưng đứng giữa 2 dấu hoặc đầu câu) e.g.: The lest was very-difficult; however, all students were able to finish it C. Những từ nối bổ sung thông tin Vế 1. In addition/ Besides/ Additionally / Moreover/ Also / Furthermore, Vế 2 (thông tin thêm)

Bài 1:

1. Liz borrowed some money ___________ she wants to buy a car. (because/ because of)
2. Jack travelled a lot ___________ his job. (because/ because of)
3. Manir and Alberto were late ___________ a flat tire. (because/ because of)
4. Kim studied for three hours ___________ he had a big test. (because/ because of)
5. Aldie moved to the city ___________ her husband’s job. (because/ because of)
6. Tony couldn’t drive his car _________ the broken window. (because/ because of)
7. Koka couldn’t sleep last night _____________ she had a headache. (because/ because of) Bài 2:
8. I want to work as an interpreter in the future, ________ I am studying Russian at university. A. but B. so C. however D. therefore
9. I am going shopping for food this evening, ________ I do not have to go at the weekend. A. so B. but C. however D. moreover
10. We live in the same building, ________ we have hardly seen each other A. and B. therefore C. but D. so
11. I went to buy a Rolling Stones CD, ________ the shop didn't have it. A. and B. but C. therefore D. so
12. Anna needed some money, ________, she took a part-time job. A. furthermore B. moreover C. however D. therefore
13. Julie has a guitar, ________ she plays it badly. A. and B. so C. but D. therefore
14. My fingers were injured,________ my sister had to write the note for me. A. and B. however C. so D. but
15. The concert was cancelled, ________ we went to a nightclub instead. A. so B. however C. so on D. but
16. He is only sixteen, and ________, he is not eligible to drive a car.

1. I put on my sunglasses ___________________ it was a dark, cloudy day. 2. I put on my sunglasses ___________________ the sun was bright. 3. ___________________ she has a job, she doesn’t make enough money to support her four children. 4. ___________________ she has a job, she is able to pay her rent and provide food for her family. 5. Jack is going horseback riding with his friends this afternoon ___________________ he’s afraid of horses. 6. Jack is going horseback riding with his friends this afternoon ___________________ he enjoys it. 7. I knew that I should get some sleep, but I just couldn't put my book down ___________________ I was really enjoying it. 8. I’m glad that my mother made me take piano lessons when I was a child ___________________ I hated it at the time. Now, I play the piano every day. 9. Nam jumped into the river to rescue the little girl who was drowning ___________________ he wasn’t a good swimmer. 10. ___________________ the flood damaged the bridge across the river, his family were able to cross the river ___________________ they had a boat. III. Complete the sentences with although or however. 1. Jack ate a large dinner. ___________________, he is still hungry. 2. Jack is still hungry ___________________ he ate a large dinner.

3. I had a lot of studying to do. ___________________, I went to the cinema. 4. I finished all of my work ___________________ I was very sleepy. 5. I had washed my hands. ___________________, they still looked dirty. 6. ___________________ I had washed my hands, they still looked dirty. 7. Diana didn’t know how to swim; ___________________, she jumped into the swimming pool. 8. ___________________ Diana didn’t know how to swim, she jumped into the swimming pool. 9. Ann’s father gave her some good advice. ___________________, she didn’t follow it. 10. ___________________ Ann’s father gave her some good advice, she didn’t follow it. V. Choose the best answer A, B, C or D to complete the sentences. 1. __________ we got lost driving into the city, we were late for the meeting. A. Since B. Because of C. However D. For 2. Two of the factories in our small town have closed. __________, unemployment is high. A. However B. Because C. So that D. Furthermore 3. John’s favourite show was on. He reach to turned on the TV __________ he could watch it. A. because of B. therefore C. so that D. for

Bài tập 1: Chọn đáp án đúng

1. The class discussion was short;_____________, we gained some

knowledge from it.

A. however B. moreover C. although D. therefore

2. The undergone is cheap;_____________, it’s faster than the train.

A. however B. moreover C. but D. so

3. The countryside air is fresh,________________, it’s not polluted.

A. however B. whenever C. moreover D. beside

4. Minh had a terrible headache. __________________, he still wanted to go

to school.

A. Therefore B. But C. However D. Although

5. My car broke down on the way.____________, when I got the airport, the

plane had taken off.

A. Because B. However C. Therefore D. Although

6. His mother was sick._________________, Jane had to stay at home to

look after her.

A. But B. However C. So D. Therefore

7. They asked me to wait for them; ____________, he didn’t turn back.

A. but B. however C. so D. therefore

8. He knew the danger of smoking;______________, he couldn’t give it up.

A. therefore B. but C. however D. although