Cấu trúc câu của các dạng so sánh trong tiếng Anh

Cấu trúc câu của các dạng so sánh trong tiếng Anh
Equality(So sánh bằng)
 S + Be/V + as + adj/adv + as + N/pronoun
 S + Be/V + not + so/as + adj/adv + as + N/Pronoun
Ex: 
+She is as stupid as I/me
+This boy is as tall as that one
(Không lặp lại từ đã dùng ở chủ ngữ)
Population ofHo Chi Minh city isn't as much as thatof Bangkok.
2. Comparative(So sánh hơn)
 Short Adj:S + Be/V + adj + er + than + N/pronoun
 Long Adj: S + Be/V + more + adj + than + N/pronoun
Ex:
She is taller than I/me
This bor is more intelligent than that one.
Dạng khác:S + V + less + adj + than + N/pronoun.(ít hơn)
3. Superlative(So sánh nhất)
 Short adj:S + Be/V + the + adj + est + N/pronoun
 Long adj:S + Be/V + the most + adj + N/pronoun.
Ex:
She is the tallest girl in the village.
He is the most gellant boy in class.
Dạng khác:S + V + the least + adj + N/pronoun(ít nhất)
Chú ý:
-1.Những tính từ ngắn kết thúc bằng một phụ âm mà ngay trước nó là nguyên âm duy nhất thì chúng ta nhân đôi phụ âm lên rồi thêm "er" trong so sánh hơn và "est" trong so sánh nhất.(ex:hot-->hotter/hottest) : Ví dụ: hot –> hotter;fat –> fatter;thin –> thinner;fit –> fitter
2.Những tính từ có hai vần,kết 
thúc bằng chữ "y" thì đổi "y" thành "i" rồi thêm "er" trong so sánh hơn và "est" trong so sánh nhất(ex:happy-->happier/happiest)
3.Những tính từ/trạng từ đọc từ hai âm trở lên gọi là tính từ dài,một âm gọi là tính từ ngắn.Tuy nhiên,một số tính từ có hai vần nhưng kết thúc bằng "le","et","ow","er"vẫn xem là tính từ ngắn : quiet –> quieter ;clever –> cleverer;simple –> simpler;narrow –> narrower
4. Các tính từ so sánh bất quy tắc thì học thuộc lòng 
good/better/the best
bad/worse/the worst
many(much)/more/the most
little/less/the least
far/farther(further)/the farthest(the furthest
I. Fill in the correct form of the words in brackets (comparative or superlative).
1.   Jeremy is 10 years old.  Julie is 8 years old.  Jeremy is (old)__________________Julie
2.   The Alps are very high.  They are (high) ____________________ mountains inEurope.
3.   An ocean is (large) _____________________ a sea.
4.   A Rolls Royce costs a lot of money.   A Twingo costs less money.  
        A Rolls Royce is (expensive) ________________________ a Twingo.
5.   John's results were bad.  Fred's results were very poor.  Fred's results were (bad) _______________ John's.
6.   This exercise is not difficult.  It's (easy) _____________________ I expected.
7.   The weather is not good today - it's raining.   I hope the weather will be (good) _______________ next week.
8.   People are not friendly in big cities.  They are usually (friendly) ____________________ in small towns.
9.   In the government of a country, the President is (important) _____________________ person.
10.  People say that Chinese is (difficult) ____________________to learn than English.
II. Fill in the correct form of the words in brackets (comparative or superlative).
Top of Form
1. My suitcase is   (large) than your suitcase. 
2. This scarf  (beautiful) than the one in the window. 
3. The palace Hotel was (expensive) than the Grosvenor. 
4. John is a (good) gardener than Stuart. 
5. They are not going to the  (bad) hotel. 
6. The palace is the   (expensive) hotel. 
7. John is the  (good) gardener. 
8. These are the  (beautiful) colours. 
9. Mr.Smith is  (bad) today than yesterday. 
Bottom of Form
III. Fill in the correct form of the words in brackets (comparative or superlative).
     1. My house is (big) .. than yours.
     2. This flower is (beautiful) ..than that one.
     3. This is the (interesting) book I have ever read.
     4. Non-smokers usually live (long) ..than smokers.
     5. Which is the (dangerous) ..animal in the world?
     6. A holiday by the sea is (good) .than a holiday in the mountains.
     7. It is strange but often a coke is (expensive) .than a beer.
     8. Who is the (rich) .woman on earth?
     9. The weather this summer is even (bad) than last summer.
     10. He was the (clever) .thief of all.
IV. Fill in the comparison with as ... as.
     1. John is (tall) Glen.
     2. Janet is (beautiful) Jeniffer.
     3. You are (crazy) ..my sister.
     4. We can run (fast) ..they can.
     5. My mom is (not / strict) .your mum.
     6. Your mobile phone is (not / trendy) mine.
     7. Matrix II was (not / interesting) Matrix I.
     8. This yoghurt (not / taste / good) ..the one I bought yesterday.
     9. I can do (many / press-ups) ..you.
     10. I (not / earn / much / money) you do.
V. Put the adjectives into the correct form.
     1. Los Angeles is (large) . than Chicago.
     2. But New York is the (large) .. city of the United States.
     3. The weather in Hollywood is (good) .. than in New York or New Jersey.
     4. Nestor Studios is the (old) movie company in Hollywood.
     5. Disneyland is (interesting) than any other amusement park.
 VI. complete these sentences by the words given
1. Her daughter is .her (beautiful). 
2. Summer is..season of the year (hot)
3. That dog isn’t ..it looks (dangerous)
4. In the past, people were ..than today (polite)
5. It is ..today than it was yesterday (cold)
6. Our hotel was ..than all the others in the town (cheap)
7. What’s ..river in the world (long)
8. It was an awful day. It was .day of my life (bad)
9. Everest ismountain in the world. It is .than any other mountain (high)
10. I prefer this chair to the other one. It’s (comfortable)
VII. Rewrite these sentences in the same meaning.
1. This is the most delicious cake I’ve ever tasted.
–> I’ve..
2. I’ve never met any more dependable person than George.
–> George is
3. There isn’t anybody as kind-hearted as your mother.
–> Your mother is 
4. There is no better teacher in this school than Mr John.
–> Mr John is..
5. Have you got any bigger than that one?
–> Is this...?