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PHIẾU ÔN TẬP TIẾNG ANH LỚP 8
Chuyên đề: Sentence Transformation
Năm học 2026 – 2027
Họ và tên học sinh: ................................................................ Lớp: ........................
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Rewrite the following sentences using the word in brackets or the given prompt so that the meaning stays the same. Pay special attention to punctuation (commas, semicolons).
Câu 1. Life in the countryside is peaceful, but it can be boring sometimes.
Life in the countryside is peaceful;
Câu 2. Tom prepared thoroughly for the exam, but he still felt nervous.
Tom prepared thoroughly for the exam.
Câu 3. Ethnic minority children live far from school; however, they attend classes regularly.
Ethnic minority children live
Câu 4. The weaving craft of the Cham is famous, but few young people want to learn it.
The weaving craft of the Cham is famous.
Câu 5. She surfed the Net for two hours; however, she couldn't find the information she needed. (Dùng "but")
She surfed
Câu 6. Online shopping is very convenient, but it may cause security issues. (Dùng "however")
Online shopping is very convenient;
Câu 7. We planted many trees along the streets, but the air is not completely fresh yet. (Dùng "However")
We planted many trees along the streets.
Câu 8. The village has electricity now; however, the villagers still keep their traditional way of life. (Dùng "but")
The village has
Câu 9. Modern technology makes communication easier, but it reduces face-to-face interaction. (Dùng "however")
Modern technology makes communication easier;
Câu 10. Natural disasters cause severe damage, but local people always support one another to recover quickly. (Dùng "However")
Natural disasters cause severe damage.
PHẦN II. CHUYỂN ĐỔI QUA LẠI GIỮA "SO", "THEREFORE", "BECAUSE" (10 CÂU)
Rewrite each sentence without changing its original meaning, using the requested conjunction.
Câu 11. Because the storm was violent, many roofs were blown off. (Dùng "so")
The storm
Câu 12. Nam is addicted to computer games, so his eyesight is getting worse. (Dùng "because")
Nam's eyesight
Câu 13. The Gong culture is unique, so UNESCO recognized it as a Masterpiece of Oral and Intangible Heritage. (Dùng "therefore")
The Gong culture is unique;
Câu 14. Lan joined the club because she wanted to improve her public speaking skills. (Dùng "so")
Lan wanted
Câu 15. We didn't prepare food in advance; therefore, we had to eat out. (Dùng "Because")
Because
Câu 16. The water in the river is polluted, so fish cannot survive there. (Dùng "Because")
Because
Câu 17. The local people built a flood shelter, so they felt safer during the rainy season. (Dùng "therefore")
The local people built a flood shelter;
Câu 18. He didn't know how to weave bamboo baskets because he had never practiced before. (Dùng "so")
He had never
Câu 19. Single-use plastic bags take hundreds of years to decompose, so we should reduce their use. (Dùng "therefore")
Single-use plastic bags take hundreds of years to decompose;
Câu 20. Because smartphones are multifunctional, almost all teenagers use them daily. (Dùng "so")
Smartphones are
PHẦN III. CHUYỂN ĐỔI SO SÁNH BẰNG VÀ SO SÁNH HƠN (10 CÂU)
Rewrite the following sentences using comparative or equal comparison forms of adjectives/adverbs.
Câu 21. Life in the city is more stressful than life in the countryside.
Life in the countryside is not
Câu 22. Peter runs faster than his brother David.
David doesn't run
Câu 23. My new smartphone is more expensive than my old one.
My old smartphone is not
Câu 24. No one in my class speaks English as fluently as Mai.
Mai speaks English
Câu 25. Traditional markets are noisier than modern supermarkets.
Modern supermarkets are not
Câu 26. Driving a car in rush hours is slower than riding a motorbike.
Riding a motorbike in rush hours is
Câu 27. Traveling by train is less convenient than traveling by plane.
Traveling by plane is
Câu 28. Harvesting rice by hand is more tiring than using a combine harvester.
Using a combine harvester is not
Câu 29. Susan paints pictures more skillfully than Tom does.
Tom doesn't
Câu 30. Living in a stilt house is cooler than living in a brick house in summer.
Living in a brick house in summer is not
PHẦN IV. CHUYỂN ĐỔI GIỮA "IT TAKES/TOOK" VÀ "SPEND/SPENT" (10 CÂU)
Rewrite each sentence using "spend / spent" or "It takes / took".
Câu 31. It took the ethnic women three months to complete this brocade costume.
The ethnic women spent
Câu 32. My father spends thirty minutes feeding the cattle every morning.
It takes
Câu 33. We spent the whole afternoon cleaning the village communal house.
It took
Câu 34. It takes Nam forty-five minutes to browse social media before going to bed.
Nam spends
Câu 35. They spent two days preparing for the mid-autumn festival.
It took
Câu 36. It took rescue workers over ten hours to reach the flooded village.
Rescue workers spent
Câu 37. Lan spends one hour doing origami every weekend.
It takes
Câu 38. The local government spent five years building the new suspension bridge.
It took
Câu 39. It takes my brother fifteen minutes to download this learning app.
My brother spends
Câu 40. Astronomers spent many decades searching for signs of life on Mars.
It took
--------- HẾT ---------
ĐÁP ÁN VÀ HƯỚNG DẪN CHI TIẾT
PHẦN I. CHUYỂN ĐỔI GIỮA "BUT" VÀ "HOWEVER"
Quy tắc cần nhớ:
- `Clause 1, but + clause 2.` (liên từ kết hợp, đứng giữa hai mệnh đề, trước but có dấu phẩy).
- `Clause 1; however, clause 2.` hoặc `Clause 1. However, clause 2.` (trạng từ liên kết, đứng sau chấm phẩy hoặc chấm câu, theo sau là dấu phẩy).
Câu | Đáp án gợi ý |
|---|---|
1 | Life in the countryside is peaceful; however, it can be boring sometimes. |
2 | Tom prepared thoroughly for the exam. However, he still felt nervous. |
3 | Ethnic minority children live far from school, but they attend classes regularly. |
4 | The weaving craft of the Cham is famous. However, few young people want to learn it. (hoặc: ...is famous; however, few...) |
5 | She surfed the Net for two hours, but she couldn't find the information she needed. |
6 | Online shopping is very convenient; however, it may cause security issues. |
7 | We planted many trees along the streets. However, the air is not completely fresh yet. |
8 | The village has electricity now, but the villagers still keep their traditional way of life. |
9 | Modern technology makes communication easier; however, it reduces face-to-face interaction. |
10 | Natural disasters cause severe damage. However, local people always support one another to recover quickly. |
PHẦN II. CHUYỂN ĐỔI QUA LẠI GIỮA "SO", "THEREFORE", "BECAUSE"
Quy tắc cần nhớ:
- `Because + S + V (nguyên nhân), S + V (kết quả).`
- `S + V (nguyên nhân), so + S + V (kết quả).`
- `S + V (nguyên nhân); therefore, S + V (kết quả).` hoặc `S + V. Therefore, S + V.`
Câu | Đáp án gợi ý |
|---|---|
11 | The storm was violent, so many roofs were blown off. |
12 | Nam's eyesight is getting worse because he is addicted to computer games. |
13 | The Gong culture is unique; therefore, UNESCO recognized it as a Masterpiece of Oral and Intangible Heritage. |
14 | Lan wanted to improve her public speaking skills, so she joined the club. |
15 | Because we didn't prepare food in advance, we had to eat out. |
16 | Because the water in the river is polluted, fish cannot survive there. |
17 | The local people built a flood shelter; therefore, they felt safer during the rainy season. |
18 | He had never practiced before, so he didn't know how to weave bamboo baskets. |
19 | Single-use plastic bags take hundreds of years to decompose; therefore, we should reduce their use. |
20 | Smartphones are multifunctional, so almost all teenagers use them daily. |
PHẦN III. CHUYỂN ĐỔI SO SÁNH BẰNG VÀ SO SÁNH HƠN
Quy tắc cần nhớ:
- `S1 + V + more + adj/adv (hoặc adj-er) + than + S2` `S2 + V (phủ định) + as/so + adj/adv + as + S1`.
- Chú ý dạng phủ định của động từ thường (mượn trợ động từ don't / doesn't / didn't) và tính từ/trạng từ giữ ở dạng nguyên mẫu trong so sánh bằng.
Câu | Đáp án gợi ý |
|---|---|
21 | Life in the countryside is not as/so stressful as life in the city. |
22 | David doesn't run as/so fast as Peter (does). |
23 | My old smartphone is not as/so expensive as my new one. |
24 | Mai speaks English more fluently than anyone else in my class. (hoặc: ...than any other student in my class). |
25 | Modern supermarkets are not as/so noisy as traditional markets. |
26 | Riding a motorbike in rush hours is faster than driving a car. |
27 | Traveling by plane is more convenient than traveling by train. |
28 | Using a combine harvester is not as/so tiring as harvesting rice by hand. |
29 | Tom doesn't paint pictures as/so skillfully as Susan (does). |
30 | Living in a brick house in summer is not as/so cool as living in a stilt house. |
PHẦN IV. CHUYỂN ĐỔI GIỮA "IT TAKES/TOOK" VÀ "SPEND/SPENT"
Quy tắc cần nhớ:
- `It takes/took + O + time + to V-inf` `S + spend/spent + time + V-ing`.
- Chú ý chia đúng thì của động từ (takes ở hiện tại đơn spends; took ở quá khứ đơn spent).
Câu | Đáp án gợi ý |
|---|---|
31 | The ethnic women spent three months completing this brocade costume. |
32 | It takes my father thirty minutes to feed the cattle every morning. |
33 | It took us the whole afternoon to clean the village communal house. |
34 | Nam spends forty-five minutes browsing social media before going to bed. |
35 | It took them two days to prepare for the mid-autumn festival. |
36 | Rescue workers spent over ten hours reaching the flooded village. |
37 | It takes Lan one hour to do origami every weekend. |
38 | It took the local government five years to build the new suspension bridge. |
39 | My brother spends fifteen minutes downloading this learning app. |
40 | It took astronomers many decades to search for signs of life on Mars. |











