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1、形容词-副词的比较级和最高级形容词、副词比较级和最高级的构成:1.单音节词和少数双音节词比较级和最高级的规则变化:规则原级比较级最（Wj级1 在词尾后直接加-er/esttalltallertallest2.词尾是e,只加- r/stnicenicernicest3.以辅音字母加y 结尾的，把y变i 再加-er/esthappyhappierhappiest4,重读闭音节，末 尾只有一个辅音 字母，双写这个 辅音字母，再加- er/estthinthinnerthinnest2.其他双音节词或多音节词,在该词前面加-more/most （有三个或三个以上元音字母）beautifulmore b
2、eautiful(the) most beautiful3.由形容词加ly构成的双音节词和多音节词，都是在该词前加-more/most.quickly-more quickly一(the) most quicklydifficultlymore difficultly(the) most difficultly4.不规则变化:good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest（二）形容词比较级和最高级的用法:1 .原级的用法：用于两者之
3、间对比，意思为“和相同”A+v.+as形容词原级as B “A与B 一样 否定则A不如B” Tom is as honest as Jack.Her skin is as white as snow.My dog is as old as that one.He is not as (so) tall as I(me).The weather here is not as(so)cool as the weather in Harbin.2 ,比较级的用法:1 ) A+v.+形容词比较级+than+ BSusan is happier than Jane. She has bigger eye
4、s than me.His brother is younger than me.Beijing is more beautiful than Osaka.2 ) which/who . 比较级,A or B?Which city is bigger, Beijing or Tianjin?Who is happier, you or me?3)比较级+and+比较级，表示“越来越” The earth is getting warmer and warmer.China becomes more and more stronger.4） the +比较级，the +比较级结构，表示“越就越”
5、The more I study it, the more I like it.The harder you are, the better grades you will get.5)the +由较级+of the two.两个中更的那个The taller of the two boys is Peter.Look at the two girls .Who is the heavier of them?比其他任何一个6 ）比较级+than any other +可数名词单数+in:（在某一范围内）New York is more famous than any other city in
6、 the US.7）具体对比量+形容词比较级+thaiu.much, a lot, far + 比较级a little , a bit, kind of + 比较级even +比较级”甚至更“比得多”“比一点儿”still +比较级“还是更.丁Eg: Im two years older than you.She is a head taller than me.He is much less hardworking.He is even worse today.专项练习（-）写出下列形容词与副词的比较级与最高级形式:manyfatrudebusyhotlargeearlythinwidego
7、odlittlefar(二)用所给词的正确形式填空：1. He ranthan all the others. He ran of all. ( fast)2. James played as as you. Mary played of all. ( well)3. She waited than she usually did. (long )1.1 walked than the rest. I walked of all. ( far)5 .My friend came than Pual and Mike. (late )6 .Among the three boys, he wor
8、ks. ( hard )7 .He swims as as I do. ( badly )8 . Peter is as as Tom. Benny is than Tom. David is of all. ( fat)9 . Li Li found mushrooms than I did. ( many )10 . Lesson Two is a bit than Lesson One. ( easy )3.最高级用法：用于三者及以上的人或事物的比较，最高级前加the,最高级前有物主代词，序数词 和名词所有格时，不加定冠词，后面跟带in或of表范围的短语。1) one of the +
9、最高级Shanghai is one of the most beautiful cities in China.Our city is one of the safest cities in the world.Most people like apples.Most of the boys are good.It is our nearest neighbor in space.2)最高级的用法：副词最高级前一般有the,也可省略。He works (the) hardest of all the students in the class.专项练习：一、单项选择。1. The air i
10、n Beijing is getting much now than a few years ago.A. clean B. cleaner C. cleanest D. the cleanest2. Nowadays science fiction isnt as as cartoons among teenagers.A. popular B. more popular C. less popular D. the most popular3. We are glad to see that Shanghai is developing these years than ever befo
11、re.A. quickly B. less quickly C. more quickly D. the most quickly4. The cheese cake tasted so that the kids asked for more.A. delicious B. well C. bad D. badly5. She looks very . I think she needs to have a rest.A. tired B. hard C. well D. hardly6. 一do you play computer games?Once a week.A. How soon
12、 B. How often C. How long D. How many7. The population of Tianjin is than that of Shanghai.A. larger B. less C. smaller D. fewer8 Its raining . We have to stay at home instead of going fishing.A. badly B. hardly C. heavily D. strongly9. 一Remember, boys and girls. you work, result you will get.We kno
13、w, Miss Gao.A. The better, the harder C. The hard, the better、.用 Of, than, in, as 填空。1. This table is as big 2. The yellow book is bigger3. Tom is the best studentB. The harder, the better D. The harder, the goodthat one. the blue one. the class.4. This lesson is more interesting that one.5. This apple is the largest all the apples