1、實用文檔比較級及比較句型一.基本特征1.形容詞和副詞比較級的形式應和比較連詞對應出現，即應符合原級比較及比 較級的結構。如：-Do you enjoy listening to records?-I find records are often as good asor better than an actual performance.2 .比較的成分應屬于同類事物或同類概念。如:Young readers, more often than not, findthe novels of Dickensfar more exciting than Thackeray' s.-Thack

2、eray s novels3 .比較級的修飾語如 a little, a lot, the, any, even, far, hardly, lots, much, rathe 於有 表示倍數比較的詞等，他們的位置是：修飾語+asas，或修飾語 +more - than -b 如：Smoking is so harmful to personal health that it kills seven times more people each year than automobile accidents.“ Doyou regret paying five hundred dollars f

3、or the painting? No,I would gladly have paid twice as muchfor it. ”4 .下列詞和短語不用比較級形式卻表示比較概念：inferior, minor, senior, prior, prefer to, superior, major, junior, preferable, differ from, compared with, in comparison with, different from, rather than0 如：Their watch is superior to all the other watches o

4、n the market.二.基本用法1 .同級比較A.基本形式“as原級+as”結構eg. He ' s as tall as I.B.否定的同級比較常用 not asas not so as文案大全實用文檔eg. He does not smoke so heavily as his brother.C.變體1) as + much/many + 名詞 + asThere are as many students in Class 3 as in Class 4.2) as +W原級 + a +名詞+asHe is as clever a boy as his brother.3)

5、 as +形+不可數名詞+ as4)名詞復數+as + 形+ asI used to have some dolls as lovely as yours.5) the same as/ be similar to2) 比較級A.基本結構 比較級+than ”結構He is taller than I (am tall).She sees me more often than she sees her brother.B.變體1)形比較級+名+ thanHe is a cleverer boy than his brother.2)名+形比較級+ thanHe is a boy clevere

6、r than his brother.3) the + 形比較級 + of + the two4) superior/ inferior to3.最高級A.常用“the最高級+比較范圍”eg. This is the best picture in the hall.He sings the best in the class.B.變體1) more than any other文案大全實用文檔2) Not+比較等級三.值得注意的比較級句型1.比較級的特殊用法1) the+比較級，the+比較級此句型表示后者隨著前者的變化而變化，意為越就越”，如:The better I knew him,

7、the more I liked him.The more difficult the questions are, the less likely I ' ll be able to answer them.該結構一共有三條規則：1) . the more后面的名詞必須使用冠詞或者所有格2) . the more 后面的謂語如果是 be動詞的話、可以省略3) .第二個 the more 后面可以使用倒裝，而第一個后面卻不行the more, the more其實是原因狀語從句，前面是原因(從句)，后面是結果(主 句)，倒裝句中必須是主句倒裝，從句絕對不能夠倒裝。例 1: The st

8、ronger _ magnet, the greater the number of lines of magnetic force.(A) of (B) the (C) is the (D) is of the分析：本題顯然考查" the more the more結構，the more后面的名詞必須使用冠詞或者所有格，因此只能選擇B例 2: The less the surface of the ground yields to the weight of the body of a runner, to the body.(A) the stress it is greater

9、 (B) greater is the stress (C) greater stress is (D) the greater the stress分析：正確答案為D。此題考the more the moreJ型，只有D符合這一句型 的要求，故選D。-the greater the stress it yields to the body文案大全實用文檔2) the+比較級 +of the two：He is the taller of the two.She was the more promising worker of the two.3)比較級+and+比較級此句型表示 越來越”，如

10、：Things are getting better and better every day.It ' s becoming more and more difficult to find a job.2. as as的特殊用法1) . as. as.句型可以用來比較兩個不同事物或人的兩個不同特征、表示兩 個事物的狀況處于同等程度或兩個事物之間具有連帶關系。S1 + V1 + as + adj. 1+ S2+V2+adj.2He was as experienced as his brother was gre en他經驗豐富，而他弟弟初出茅廬。She is as kind as h

11、er brother is hone stThe prisons are as ove crowded as the farmlands are empt y監獄里人滿為患，而農田卻無人耕種。(兩者程度相等，但是狀況截然不同，以 突出兩者的對比)2) . as. . as.句型還可以用來比較一個事物或一個人的兩個不同的特征： 表 示兩個特征同時存在，具有 both. and.的含義。S +V+as + adj. 1+ as +adj.2S+V+as +n.1+as +n.2The landlord was as greedy as crue lThe problems are as numer

12、ous as trivia lIt is as your fault as your wife .'s3) . as. as. can be,as. as any (anything), as. as ever lived: 表示某事達到了無以復加的程度，最，極其。文案大全實用文檔They are as unreliable as they can b eHe is as great a mathematician as an yas eve門ived).My sister is as green as green can b eHe pretends to be as modest

13、as anythin g4) as likely as not：該結構并無否定含義，表示很可能之意，而且語氣強烈。例如：He will lorgci all about it as likely as not.類彳以的用法還有： as often as not more often than not 表示經常、 往往之意。3. not so much . as.:這個句型用以肯定as后面的內容,而在一定程度上 否定as前面的內容,表示 與 其說還不如說”。Experience shows that success is noto much due to abilityas to passion

14、not so much due to ability as (due) to passionI was attracted net so much by the plot of the story by 辰 cxcMcnl performance.4. (1) As C is to D. so is A to B:這個句型表示A與B之間的關系就像X與Y之間的關系,以人們所熟知的兩個 事物之間的關系說明一個不被熟知或被忽視的兩事物之間的關系，是一種類比：A對于B,猶如X對于Y。例如：As the house is to the man so is the nest to the bird&quo

15、t;fVis fijod is I。111 bod), so is reading to the mind A is to Bwhat C is to DThe people is to the Partys army w hat waters to fish.Reading is to the mind what exercise is to the body.文案大全實用文檔5. more than與less than的相關特殊用法1) more A than B：表示與 not so much. . as類似的含義，肯定的是 A,而在一定程度上否定 B。與 其說是B,還不如說是A&quo

16、t;。He is more brave than wiserhe child was more lightened Ilian hurlMany paticuls die more of worry than of cancer when they get to know the truth about their illness.2) more than的特殊用法對同一對象的兩個方面進行比較：若是對同一個人或物在不同方面進行取舍時，意為與其說倒不如二。如：He is more hungry than tired.I was more annoyed than worried.3) more

17、than +名詞/形容詞/分詞：表示內容超出了后面詞語所表達的范圍，不只于，超過，極其"。例如:If you tell jour lather what youtvc done , he 'll bmore than a little angry. Vc were more than happy to hear of your rctum .4) no more than與 not more thanno more。-than表示對兩者都否定.意為同一樣不"(=neithernor)not morethan旨兩者雖都具有某種特征，但程度不同，意為不如“、不及&quo

18、t;(=not so . as)He is no more a writer than a painter. (= He is neither a painter nor a writer.)He' s no more able to read Spanish than I am.(=Neither he nor I am not read Spanish.)This book is not more difficult than that one.(二This book is not so difficult as that one.)文案大全實用文檔5) no morethan與

19、no less thanno more thanft為 與一樣不”，否定兩者；no less than示 和一一樣”，肯定兩者。She' s no more a great singer than I am.他不是優秀歌手，我也不是。Your brother is no less wise than you.你的兄弟跟你一樣聰明。6) not + 比較級 + than /no +比較級+ than比較級前加 not,表示前者不如后者，與 not asa相當；比較級前加no是對兩者的否定,意為 和一樣不”,與neither。5。廠或“as+反意義的形容詞或副詞+as”相當。如：He is

20、 not taller than me.He is no taller than me.他同我一樣不高。（即一樣矮）His English is not better than mine.His English is no better than mine.他的英語同我的英語一樣不好。（即一樣差）7) no more than與 not more than 表示數量時no more than 僅僅“、只不過”，強調少;not more than表示 不多于“、至多"。（無強調）This test takes no more than thirty minutes.For thirty

21、 years, he had done no more than he had needed to.He has not more than three children.他最多3個孩子（有或許還不到3個之意）。文案大全實用文檔8) . no less than 與 not less thanS示數量no less than!為 多達”、有一之多”，強調多；not less thanfe示 不下于“、 至少"。如：He paid no less than $10,000 for it.He paid not less than $10,000 for it.He walks no l

22、ess than five miles to school.他上學至少要走五英里。四.比較級及比較句型注意要項比較結構中要注意：1、倒裝性例 1: Western Nebraska generally receives less snow than eastern Nebraska.(A) does(B) in(C) it does in(D) in it does分析：than引導比較狀語從句，空格后面是個專有名詞，肯定是比較從句的主語， 空格處明顯缺從句的謂語動詞，只有（A）符合條件，故選（A）。注意than eastern Nebraska does!正確的語序，但是原文中使用了倒裝；在

23、 比較結構的后面部分中，如果比較從句的主語長，謂語動詞短，動詞可放到主語 前面進行到裝。例 2 ： Hot objects emitdo coldobjects.(A) rays more than infrared(B) rays are more infrared than(C) more than infrared rays(D) more infrared rays than文案大全實用文檔分析：emit為及物動詞，空格處缺賓語和引導比較從句的than,只有（D）符合條件。注意空格后為倒裝形式，do代替emit以避免重復。此題為常考的句子結 構。2、對稱性比較結構中還需要注意相互比較的

24、必須屬于同一種事物，例例 3: The activities of the international marketing researcher are frequently much broader than.(A) the domestic marketer has (B) the domestic marketer does(C) those of the domestic marketer (D) that which has the domestic marketer分析：本題還是考查比較句，由于謂語動詞是系動詞are,故先排除與其不對應的以has和does結尾的（A）和（B）。選項

25、D則語義不清，也可排除。C中those代替前面提到的activities以避免重復，those一定要具備，因為只 有這樣才能滿足比較的都是activities,謂語動詞are因與主句謂語動詞相同而被 省略，因此C為正確答案。例 4： The annual worth of Utah's manufacturing is greater than -.（A） that of its mining and farming combined （B） mining and farming combination（C） that mining and farming combined （D） of its combination mining and farming分析：本題為比較句，一般來說，比較