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1、.形容词和副词比较等级的用法I）同级比较：1甲与乙相比程度相同：用as+原级形容词/副词+as2甲与乙相比，甲不及乙：用not as/so+形容词/副词as。 如：Dick is as tall as his brother.Tom speaks Chinese as frequently as Jack.The picture is (not) as beautiful as that one .II）比较级：1. 表示A超过B。此时用形容词和副词的比较等级more(adj/adv+er)+ thanOur classroom is brighter than yours. He did m
2、ore carefully in the exam than I .I dont think math is more important than physics.2 表示A不及B用句型：less+形容词/副词的原级+than= not as/so+形容词/副词as = not more- than- 如：这幅画比不上那幅画漂亮2. 比较级的修饰语。这些修饰语通常为副词或短语，置于比较级前面， 说明比较级的程度。这些词有：a little, little, a bit, bit, a lot, a great deal, much, far, rather, slightly, by far
3、, even, still, nearly, almost, any, just, ()times等。The moon is much smaller than the earth.The result of the experiment turned out to be even better than expected. Speak a bit more slowly, please.3形容词和副词比较级的特殊用法来源:学*科*网1）more and more 越来越 如：You are growing taller and taller. English is becoming more
4、 and more important.2). The more-, the more-. 越， 越 The harder he works , the happier he will feel . The more careful you are, the better you will do in the exam. The harder you study, the greater progress youll make . 4) 倍数的表达法倍数（half, once, twice, times +as+形容词+as倍数+形容词比较级+than 倍数+the (size, height
5、, length, weight, width, depth, age) +of The white box is four times deeper than the black box.This road is twice longer than that one.The red building is twice the height of the grey building.Our school is three times the size of yours.The street is four times the length of that one.The output of t
6、he paper mill is three times higher than it was last yea5)否定词not与never与比较级连用相当于最高级(1)You cant do it better.= You do it the best .来源:学科网(2)The teacher cant explain the grammar more clearly.= The teacher explains the grammar the most clearly.(3)_ What do you think of the film?_ Wonderful. Ive never se
7、en a better one.=This is the best film that Ive seen.(4) You sing very well and Ive never heard a more beautiful voice=-(5) How wonderfully she sings! Ive never heard a better voice.=-II.形容词和副词比较等级练习I. Choose the best answer1.- What did you like the film? -Its wonderful.-Ive never seen _. A. a bette
8、r B. a worse C. the best D. the worst 2. The number of people present at the concert was _than expected. There were many tickets left. A. much smaller B. much more C. much larger D. many more3. It is reported that the United States uses _energy as the whole of Europe. A. as twice B. twice much C. tw
9、ice much as D. twice as much4. The house rent is expensive. Ive got about half the space I had at home and Im paying _here.A. as three times much B. as much three times C. much as three times D. three times as much 5. Our neighbors has_ ours. A. as a big house as B. as big a house as C. the same big
10、 house as D. a house the same big as 6. The more you read, _. A. the more you learn B. the more youll learn C. more and more you youll learn D. youll learn the more III. spend, cost, take, pay和pay for（1） spend .他花了很多钱买了这辆新车。 他平时把尽可能多的时间花费在读书上。（2） cost：.这本书用了他一美元。来源:Zxxk.Com.乘船到伦敦要用12英磅（3） take .到邮局用
11、去了我十分钟时间。 他们用了两年时间拍这部新影片。（4） pay他花了很多钱买了这辆新车. 这本书用了他一美元。（5） pay for .你得付你的饭费.IV. not until1. Not until I began to work _ how much time I had wasted. A. didnt I realize B. did I realizeC. I didnt realize D. I realize 2. Not until all the fish died in the river _ how serious the pollution was. A. did
12、the villagers realize B. the villagers realized C. the villagers did realized D. didnt the villagers realize 3.Not until I began to work _ how much time I had wasted.A. didnt I realize B. did I realize C. I didnt realize D. I realized4. Not until he arrived home _ he find that this wallet had been s
13、tolen.A. did B. would C. when D. that5. Not until his father was out of prison_ to school.A. can John go B. John can go C. could John go D. John could go6. Not until all the fish died in the river _ how serious the pollution was.A. did the villagers realize B. the villagers realizedC. the villagers
14、did realized D. didnt the villagers realize7.It was about 600 years ago_ the first clock with a face and an hour hand was made.( 97全国卷) A. that B. until C. before D. when 8 .It was _back home after the experiment.(04湖北卷)A. not until midnight did he go B. until midnight that he didnt go C. not until midnight that he went D. until midnight when he didnt go 9 .It wasnt until nearly a month later _I received the managers reply. (05全
