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1、.wd.wd.wd.大多數(shù)形容詞性質(zhì)形容詞和副詞有比較級(jí)和最高級(jí)的變化,即原級(jí)、比較級(jí)和最高級(jí),用來(lái)表示事物的等級(jí)差異。原級(jí)即形容詞的原形,比較級(jí)和最高級(jí)有規(guī)那么變化和不規(guī)那么變化兩種。 1) 規(guī)那么變化 單音節(jié)詞和少數(shù)雙音節(jié)詞,加詞尾-er,-est來(lái)構(gòu)成比較級(jí)和最高級(jí)。 構(gòu)成法 原級(jí) 比較級(jí) 最高級(jí) 一般單音節(jié)詞 tall(高的) taller tallest 未尾加-er,-est great(巨大的) greater greatest 以不發(fā)音的e結(jié)尾 nice(好的) nicer nicest 的單音詞和少數(shù) large(大的) larger largest 以- le結(jié)尾的雙 ab
2、le有能力的) abler ablest 音節(jié)詞只加-r,-st 以一個(gè)輔音字母 big(大的) bigger biggest 結(jié)尾的閉音節(jié)單 hot熱的) hotter hottest 音節(jié)詞,雙寫(xiě)結(jié) 尾的輔音字母, 再加-er,-est 以輔音字母+y easy(容易的) easier easiest 結(jié)尾的雙音節(jié)詞,busy(忙的) busier busiest 改y為i,再加 -er,-est 少數(shù)以-er,-ow clever(聰明的) cleverer cleverest 結(jié)尾的雙音節(jié)詞 narrow(窄的) narrower narrowest 未尾加-er,-est 其他雙音節(jié)
3、詞和 important(重要的) 多音節(jié)詞,在前 more important 面加more,most most important 來(lái)構(gòu)成比較級(jí)和 easily(容易地) 最高級(jí)。 more easily most easily 2) 不規(guī)那么變化 原級(jí) 比較級(jí) 最高級(jí) good(好的)/ better best well(安康的) bad (壞的)/ worse worst ill(有病的) old (老的) older/elder oldest/eldest much/many(多的) more most little(少的) less least far (遠(yuǎn)的) farther/f
4、urther farthest/furthest as + 形容詞或副詞原級(jí) + as 1在否認(rèn)句或疑問(wèn)句中可用so as。 He cannot run so/as fast as you. 2當(dāng)as as 中間有名詞時(shí)采用以下格式。 as +形容詞+ a +單數(shù)名詞 as + many/much +名詞 This is as good an example as the other is. I can carry as much paper as you can. 3用表示倍數(shù)的詞或其他程度副詞做修飾語(yǔ)時(shí),放在as的前面。 This room is twice as big as that
5、one. Your room is the same size as mine. 4) 倍數(shù)+ as + adj. + as 倍數(shù)+ then + of This bridge is three times as long as that one. This bridge is three times the length of that one. Your room is twice as large as mine. Your room is twice the size of mine. 比較級(jí)形容詞或副詞 + than You are taller than I. They light
6、s in your room are as bright as those in mine. 注意: 1要防止重復(fù)使用比較級(jí)。 (錯(cuò)) He is more cleverer than his brother. (對(duì)) He is more clever than his brother. (對(duì)) He is clever than his brother. 2要防止將主語(yǔ)含在比較對(duì)象中。 (錯(cuò)) China is larger that any country in Asia. (對(duì)) China is larger than any other countries in Asia. 3要注
7、意對(duì)應(yīng)句型,遵循前后一致的原那么。 The population of Shanghai is larger than that of Beijing. It is easier to make a plan than to carry it out. 4要注意冠詞的使用,后有名詞的時(shí)候,前面才有可能有名詞。 比較:Which is large, Canada or Australia? Which is the larger country, Canada or Australia? She is taller than her two sisters. She is the taller
8、of the two sisters. 可修飾比較級(jí)的詞 1a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等 2還可以用表示倍數(shù)的詞或度量名詞作修飾語(yǔ)。 3以上詞(除by far)外,必須置于比較級(jí)形容詞或副詞的前面。 典型例題: 1 - Are you feeling _? - Yes,Im fine now. A. any well B. any better C. quite good D. quite better 答案:B. any 可修飾比較級(jí)
9、,quite修飾原級(jí),well的比較級(jí)為better. 2The experiment was_ easier than we had expected. A. more B. much more C. much D. more much 答案:C. much可修飾比較級(jí),因此B,C都說(shuō)得通,但easier本身已是比較級(jí),不需more,因此C為正確答案。 3If there were no examinations, we should have _ at school. A. the happiest time B. a more happier time C. much happiest
10、time D. a much happier time 答案:D。 many,old 和 far 1) 如果后接名詞時(shí), much more +不可數(shù)名詞 many more +可數(shù)名詞復(fù)數(shù) 2) old 有兩種比較級(jí)和最高級(jí)形式: older/oldest 和elder/eldest。 elder,eldest 只用于兄弟姐妹的長(zhǎng)幼關(guān)系。 My elder brother is an engineer. Mary is the eldest of the three sisters. 3) far 有兩種比較級(jí),farther,further. 在英語(yǔ)中兩者都可指距離。 在美語(yǔ)中,fathe
11、r 表示距離,further表示進(jìn)一步。 I have nothing further to say. the + 最高級(jí) + 比較范圍 1) The Sahara is the biggest desert in the world. 形容詞最高級(jí)前通常必須用定冠詞 the,副詞最高級(jí)前可不用。 形容詞most前面沒(méi)有the,不表示最高級(jí)的含義,只表示非常。 It is a most important problem. =It is a very important problem. 注意: 使用最高級(jí)要注意將主語(yǔ)包括在比較范圍內(nèi)。 (錯(cuò)) Tom is the tallest of hi
12、s three brothers. (對(duì)) Tom is the tallest of the three brothers. 2) 以下詞可修飾最高級(jí),by far, far, much, mostly, almost This hat is nearly / almost the biggest. 注意: a. very可修飾最高級(jí),但位置與much不同。 This is the very best. This is much the best. b. 序數(shù)詞通常只修飾最高級(jí)。 Africa is the second largest continent. 3) 句型轉(zhuǎn)換: Mike is
13、 the most intelligent in his class. Mike is more intelligent than any other students in his class. 4) 否認(rèn)詞語(yǔ)+比較級(jí),否認(rèn)詞語(yǔ)+ so as構(gòu)造表示最高級(jí)含義。 Nothing is so easy as this. =Nothing is easier than this. =This is the easiest thing. 和more有關(guān)的詞組 1) the more the more 越就越 The harder you work,the greater progress youl
14、l make. 2) more B than A 與其說(shuō)A不如說(shuō)B less A than B He is more lazy than slow at his work. = He is less slow than lazy at his work. 3) no more than 與一樣,不比多 The officials could see no more than the Emperor. no less than 與一樣 He is no less diligent than you. 4) more than 不只是,非常 She is more than kind to us
15、all. 典型例題 1The weather in China is different from_. A. in America B. one in America C. America D. that in America答案:D. 此題意為中國(guó)的天氣比美國(guó)熱。比較的是天氣而不是國(guó)家,C不能選。A沒(méi)有名詞,后句成分不全,排除。B和D中,B中的one常用來(lái)代替可數(shù)名詞,而that可車(chē)以代替不可數(shù)或抽象名詞,所以選D。 2After the new technique was introduced,the factory produced _ tractors in 1988 as the y
16、ear before. A. as twice many B. as many twice C. twice as many D. twice many as 答案C. 此句意為這個(gè)廠1988能生產(chǎn)的拖拉機(jī)是往年的兩倍。 表示倍數(shù)用倍數(shù)+ as + 形容詞原形+ as +比較對(duì)象的句型。所以此句答案為C。 This ruler is three times as long as that one. 形容詞和副詞比較級(jí)、最高級(jí)練習(xí)題一、選擇填空1. Which does Jimmy like _ , Chinese or Art? A. well B. best C. better D. muc
17、h2. The Changjiang River is one of _ in the world.A. the longest river B. longest rivers C. the longest rivers D. longer rivers3.The box is _than I wanted.A. biger B. the biger C. bigger D. the bigger4. My mooncake is nicer _ his. A. like B. with C. for D. than5. You are fatter than _ . A. he B. his
18、 C. him D. he is tall6. He jumps _ of the three. A. far B. further C. farthest D. furthest7. My hair is longer than _ . A. my sister B. Kate C. my brothers D. Lucys8. There are _ paper here .Please bring some. A. little B. less C. fewer D. a little9. The pen is _ than that one. A. more cheap B. chea
19、p C. much cheaper D. quite cheaper10.Tom speaks Chinese _ better than Jimmy. A. more B. very C. a lot of D. much11.There are _ girls in Class Two than in Class Four. A. more B. nicest C. most D. best12.Its too _ for you to do that. A. easy B. more dangerous C. harder D. the easiest13.Who has _ apple
20、s now, Jim, Lily or Lucy?A. much B. biggest C. better D. the most14.You have more rulers than me. But _ are nicer than _ .A. mine, yours B. mine, your C. my, yours D. my, your15.Tingting is _ than Meimei, but Meimei is _ than Tingting.A. all, stronger B. taller, strongest C. tallest, strong D. talle
21、r, stronger16.Mother is _ in my family.A. busy B. busier C. the busiest D. more busy17.There are _ in the park on Sunday. A. more children B. a lot of people C. much men and women D. many peoples18.-This blue sweater is too big for me .-Will you please show me a _ one?A. small B. smaller C. the smal
22、lest D. smallest19.No one is _ Mary in the class. A. so tallest as B. as taller as C. so high as D. so tall as20. This bike is _ than that one. A. twenty yuan dear B. twenty yuan dearer C. dear twenty yuan D. dearer twenty yuan二、用所給詞的適當(dāng)形式填空1.Your classroom is _ (wide) and _ (bright) than ours.2.There are _ (few) hours of sunlight a day in winter than in summer.3.Which do you like _ (well) , maths or chemistry?4.This is the _ (good) film I have ever
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