So sánh ngang bằng Cấu trúc 1:  S + tobe/V + as + adj/ adv + as + noun/ pronoun Ví dụ:  My car is as old as yours - đ ại từ s...

Tổng hợp toàn bộ kiến thức về câu so sánh trong tiếng Anh



So sánh ngang bằng

Cấu trúc 1:  S + tobe/V + as + adj/ adv + as + noun/ pronoun
Ví dụ:  My car is as old as yours
- đại từ sau “as” luôn ở dạng đại từ tân ngữ.
VD: John is as thin as me.
- Có thể thêm các từ như just, almost, nearly, half, twice, three times…
VD: He can run twice as fast as the others in his team
Cấu trúc 2:
S + V/tobe + the same + (noun) + as + noun/ pronoun
My house is the same height as his
Cấu trúc 3:
S + V/tobe + like/similar to + Noun
He swims like a fish
The film is similar to this director’s last one
Cấu trúc 4:
S + V + as + many/much/little/few + noun + as + noun/pronoun
He earns as much money as his father.
Khi dùng so sánh loại này phải xác định rõ danh từ đó là đếm được hay không đếm được vì đằng trước chúng có “much” và “many”.
Các cấu trúc:     twice that  much/ many (gấp đôi số đó) chỉ được dùng trong văn nói, tuyệt đối không được dùng trong văn viết.
Ví dụ:
We had expected eighty people at the meeting, but twice that many showed up. (văn nói)
We had expected eighty people at the meeting, but twice as many as that number showed up. (văn viết)

So sánh hơn kém

Cấu trúc 1:
S + V +adjective_er/ (adverb_er)/ (more + adj/adv) / (less + adj/adv) + than + noun/ pronoun


Ví dụ:
He is taller than his father.
She speak English more fluently than her friend.
Cấu trúc 2:
S + V + far/much + Adj/Adv_er + than + noun/pronoun
S + V + far/much + more/less + Adj/Adv + than + noun/pronoun
Harry’s watch is far more expensive than mine
He speaks English much more rapidly than he does Spanish.
Cấu trúc 3:
S + V + more/fewer/less + noun + than + noun/pronoun
February has fewer day than March.
Their jobs allow them less freedom than ours does.
Cấu trúc 4:  S + tobe/V + not + as adj/ adv + as + noun/ pronoun
Hung is not so tall as Quang
- Khi so sánh một người/ một vật với tất cả những người hoặc vật khác phải thêm else sau anything/anybody...
He is smarter than anybody else in the class.
- Sở hữu cách
His drawings are as perfect as his instructor’s. (instructor's = instructor's drawings)
- Dùng thêm that of cho danh từ số ít:
The salary of a professor is higher than that of a secretary. (that of = the salary of)
- Dùng thêm those of cho các danh từ số nhiều:
The duties of a policeman are more dangerous than those of a teacher (those of = the duties of)
- Khi so sánh giữa 2 người hoặc 2 vật, chỉ được dùng so sánh hơn kém, không được dùng so sánh bậc nhất, mặc dù trong một số dạng văn nói và cả văn viết vẫn chấp nhận so sánh bậc nhất.
Of the two shirts, this one is the prettier

So sánh hơn nhất

Cấu trúc: S + V + the + adjective_est/ (adverb_est)/ (the most + adj/adv) / (the least + adj/adv) + THAN + noun/ pronoun
She is the tallest girl in the village.
- Thường kết hơp với
+ one of the/some of the + so sánh hơn nhất + danh từ số nhiều
It is one of the few chances we get to see some of the best athletes in the world competing against each other.
He is one of the most generous people I know.
Sau thành ngữ “one of the + superlative“, danh từ phải để ở dạng số nhiều và động từ chia ở ngôi số ít.
Ví dụ:
One of the greatest football players in the world is Messi.
+ số thứ tự
Our team was the third best in the competition
- Có thể thay thế the bằng sở hữu
My best friend
His greatest achievement

So sánh kép

Cấu trúc 1:
The + comparative + S + V + the + comparative + S + V
The hotter it is, the more miserable I feel.
Cấu trúc 2:
 The more + S + V + the + comparative + S + V
The more you study, the smarter you will become.
Cấu trúc 3:
The more + S + V + the more + S + V
the more we study the more stupid we feel.
Cấu trúc 4:
S + V + adj + er  + and + adj + er
The weather gets colder and colder.
Cấu trúc 5: S + V + more and more + adj
His daughter becomes more and more intelligent.
Cấu trúc 6: The more + N + S + V, the more + N + S + V
The more books you read, the more knowledge you will have.

Luyện tập

Bài 1: Chọn đáp án đúng để điền vào chỗ trống trong các câu sau.
1. She is ....... singer I’ve ever met.
A. worse                     B. bad                                     C. the worst               D. badly
2. Mary is ....... responsible as Peter.
A. more                      B. the most                            C. much                      D. as
3. It is ....... in the city than it is in the country.
A. noisily                   B. more noisier                     C. noisier                   D. noisy
4. She sings ……….. among the singers I have known.
A. the most beautiful                                              B. the more beautiful
C. the most beautifully                                           D. the more beautifully
5. She is ....... student in my class.
A. most hard-working                                             B. more hard-working       
C. the most hard-working                                       D. as hard-working
6. The English test was ....... than I thought it would be.
A. the easier              B. more easy                          C. easiest                   D. easier
7. English is thought to be ....... than Math.
A. harder                    B. the more hard                   C. hardest                  D. the hardest
8. Jupiter is ....... planet in the solar system.
A. the biggest            B. the bigger                          C. bigger                    D. biggest
9. She runs …… in my class.
A. the slowest           B. the most slow                    C. the slowly              D. the most slowly
10. My house is ....... hers.
A. cheap than            B. cheaper                             C. more cheap than     D. cheaper than
11. Her office is ....... away than mine.
A. father                     B . more far                           C. farther                   D. farer
12. Tom is ....... than David.
A. handsome                                                            B. the more handsome        
C. more handsome                                                   D. the most handsome
13. He did the test ……….. I did.
A. as bad as               B. badder than                      C. more badly than     D. worse than
14. A boat is ....... than a plane.
A. slower                   B. slowest                              C. more slow             D. more slower
15. My new sofa is ....... than the old one.
A. more comfortable                                                B. comfortably         
C. more comfortabler                                              D. comfortable
16. My sister dances ……….. than me.
A. gooder                   B. weller                               C. better                     D. more good
17. My bedroom is ....... room in my house.
A. tidier than                                                            B. the tidiest                         
C. the most tidy                                                       D. more tidier
18. This road is ....... than that road.
A. narrower               B. narrow                   C. the most narrow                 D. more narrower
19. He drives ……. his brother.
A. more careful than                                    B. more carefully
C. more carefully than                                 D. as careful as
20. It was ....... day of the year.
A. the colder                         B. the coldest            C. coldest                   D. colder
Bài 2: Điền vào chỗ trống dạng so sánh đúng của từ trong ngoặc.
1. He is (clever) ……………………. student in my group.
2. She can’t stay (long) …………………….than 30 minutes.
3. It’s (good) ……………………. holiday I’ve had.
4. Well, the place looks (clean) …………………….now.
5. The red shirt is better but it’s (expensive) ……………………. than the white one.
6. I’ll try to finish the job (quick).…………………….
7. Being a firefighter is (dangerous) ……………………. than being a builder.
8. Lan sings ( sweet ) ………………..than Hoa
9. This is (exciting) ……………………. film I’ve ever seen.
10. He runs ( fast )………………….of all.
11. My Tam is one of (popular) ……………………. singers in my country.
12. Which planet is (close) ……………………. to the Sun?
13. Carol sings as (beautiful) …………………….as Mary, but Cindy sings the (beautiful) …………………….
14. The weather this summer is even (hot) ……………………. than last summer.
15. Your accent is ( bad ) …………………..than mine.
16. Hot dogs are (good) …………………….than hamburgers.
17. They live in a (big) ……………………. house, but Fred lives in a (big) ……………………. one.
18. French is considered to be (difficult) …………………….than English, but Chinese is the (difficult)  …………………….language.
19. It’s the (large)……………………. company in the country.
Bài 3: Viết lại các câu sau sao cho nghĩa không đổi.
1. Her old house is bigger than her new one.
-> Her new house…………………………………….........
2. No one in my class is taller than Peter.
-> Peter ……………………………………………….
3. The black dress is more expensive than the white one.
-> The white dress ……………………………………………
4. According to me, English is easier than Maths.
-> According to me, Maths ………………………………….
5. No one in my group is more intelligent than Mary.
-> Mary ……………………………………………………….
6. No river in the world is longer than the Nile.
-> The Nile …………………………………………………..
7. Mount Everest is the highest mountain in the world.
-> No mountain ……………………………………………...
8. This is the first time I have ever met such a pretty girl.
-> She is ……………………………………………………..
9. He works much. He feels tired.
-> The more …………………………………………………
10. This computer works better than that one.
-> That computer ……………………………………………..
 11. The apartment is big. The rent is high.
->  The bigger ………………………………………………….
12. We set off soon. We will arrive soon.
-> The sooner ……………………………………………………
13. The joke is good. The laughter is loud.
-> The better ……………………………………………….……..
14. She gets fat. She feels tired.
-> The fatter ……………………………………………….………
15. As he gets older, he wants to travel less.
-> The older ……………………………………………….………
16. The children are excited with the difficult games.
-> The more ……………………………………………….………
17. People dive fast. Many accidents happen.
->  The faster ……………………………………………….………
18. I meet him much. I hate him much
->  The more ……………………………………………….………
19. My boss works better when he is pressed for time,
->  The less ……………………………………………….…………
20. As he has much money, he wants to spend much.
->  The more ……………………………………………….…………
21. If you read many books, you will have much knowledge.
 -> The more ……………………………………………………………
22. He speaks too much and people feel bored.
->  The more ……………………………………………………………
23. The growth in the economy makes people’s living condition better.
-> The more ……………………………………………………………..
24. People learn a lot of things as they travel far.
-> The farther …………………………………………………………….

Đáp án

Bài 1:
1. C                 2. D                 3. C                 4. C                 5. C
6. D                 7. A                 8. A                 9. D                 10. D
11. C               12. C               13. D               14. A               15. A
16. C               17. B               18. A               19. C               20. B
Bài 2:
1. the cleverest
2. longer
3. the best
4. cleaner
5. more expensive
6. more quickly
7. more dangerous
8. more sweetly
9. the most exciting
10. the fastest
11. the most popular
12. the closest
13. beautifully – most beautifully
14. hotter
15. worse
16. better
17. big - bigger
18. more difficult - the most difficult
19. largest
Bài 3:
1. Her new house isn’t so/as big as her old one.
2. Peter is the tallest in my class.
3. The white dress isn’t so/ as expensive as the black one.
4. According to me, Maths isn’t so/as easy as English.
5. Mary is the most intelligent in my group.
6. The Nile is the longest river in the world.
7. No mountain in the world is higher than Mount Everest.
8. She is the prettiest girl I have ever met.
9. The more he works, the more tired he feels.
10. That computer doesn’t  work so/as well as that one.
11. The bigger the apartment is, the higher the rent is.
12. The sooner we set off, the sooner we arrive
13. The better the joke is, the louder the laughter is.
14. The fatter she gets, the more tired she feels.
15. The older he gets, the less he want to travel.
16. The more difficult the games are, the more excited the children are.
17. The faster people drive, the more accidents happen.
18.The more I meet him, the more I hate him.
19. The less time my boss has, the better he works.
20. The more money he has, the more he wants to spend.
21. The more books you read, the more knowledge you will have.
22.The more he speaks, the more bored people feel.
23.The more the economy grows, the better people’s living condition is.
24. The farther people travel, the more they learn.









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