八年级英语上册_形容词副词比较级用法总结_课件.ppt

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1、Unit 3 Im more outgoing than my sister.Review教学目标：教学目标：1.1.语言知识目标：语言知识目标：能掌握以下语法：形容词或副词比较级形式的构成。表示两者进行比较的句式结构。教学重点：1)形容词或副词比较级形式的构成。2)表示两者进行比较的句式结构。形容词和副词有三个等级：原级比较级最高级“较较”或或“更更一些一些 程度副词程度副词very,too,so,quitevery,too,so,quite等修饰形容词的原级等修饰形容词的原级 如：如：very tallvery tall、too hottoo hot、so cold so cold The

2、 car is quite/very cute.一、形容词和副词的原级：1.表示两者（A与B）在某一方面相同时用句型：A A+谓语谓语 +as+as+形容词或副词的原形形容词或副词的原形 +as+as+B B.eg:Tom 和 Sam 一样高。Tom is as tall as Sam.Tom 和 Sam 跑得一样快。Tom runs as fast as Sam.翻译一下 英语和数学一样重要。Lucy 和Lily 学习一样好。English is as important as mathLucy studies as well as Lily2.两者（A与B）在某一方面A不如B时用句型：A+

3、谓语+not as/so+形容词或副词的原形+as+B.eg:英语不如数学重要。English is not as/so important as math.Lucy 不如Lily 学习好。Lucy doesnt study as/so well as Lily.翻译一下 Tom 不如 Sam 高。Tom 不如 Sam 跑得快。Tom is not so/as tall as Sam.Tom doesnt run as/so fast as SamPractice1.Jim is twelve years old.Tim is twelve years old,too.(合并为同义句）Jim

4、is _ _ _ Tim.2.Do you think football is as _ as basketball in America?A.most popular B.the most popular C.more popular D.popular 3.This math problem is _that one.A.not so easy as B.more easy than C.as easier as D.easy than as old asD A词词 尾尾 变变 化化原级原级比较级比较级单音节词在词尾加单音节词在词尾加-er(比较级比较级)，以字母以字母e接尾接尾的词加的词

5、加-r hard largeharderlarger以重读闭音结尾的词末尾只有一个辅音以重读闭音结尾的词末尾只有一个辅音字母应字母应双写双写辅音字节母再加辅音字节母再加erbigthin wetbiggerthinnerwetter以辅音字母以辅音字母+y结尾的词结尾的词变变y为为i再加再加-erhappy dryearlyhappierdrierearlier多音节词和多数双音节词在其前多音节词和多数双音节词在其前面加面加more difficult popular more difficultMore popular 原级原级 good wellbad/badly ill many muc

6、h little far 比较级比较级 better worse more less farther较远 二、形容词和副词的比较级：形容词和副词的比较级表示两个事物在进行比较时，一者比另一者较/更。常用句型：A+A+谓语谓语 +形容词或副词的比较级形容词或副词的比较级 +than+than+B.B.eg:Tom 比 Sam 高。Tom is taller than Sam.Tom 比 Sam 跑得快。Tom runs faster than Sam.翻译一下数学比英语重要。Lucy比Lily 学习好。Math is more important than English.Lucy studie

7、s better than Lily.Exercises(A)(Written practice)Exercises(A)(Written practice)1.My sister is _ than I.(young)2.I think she looks _than in the photo.(beautiful)3.The problem is _ than that one.(important)4.Can you walk _ than a young man.(far)?5.This road is _ than the other one.(wide)6.In summer it

8、 is _ in Wuhan than in Beijing.(hot)7.He has _ homework to do than I do today.(much)8.My mothers car is _ than my fathers.(expensive)youngermore beautifulmore importantfartherwiderhottermoremore expensiveA A+谓语谓语 +修饰比较级的词修饰比较级的词+形容词或副词形容词或副词的比较级的比较级 +than+than+B B.修饰比较级的词 much(much(的多的多)、far(far(的多的

9、多)、a lot(a lot(的多的多)、even(even(更更)、stillstill（仍然）、（仍然）、any(any(任何任何)a bit(a bit(一点儿一点儿)a little()a little(一点儿一点儿)eg:This city is much more beautiful than that one.这座城市比那座城市漂亮的多。Today is even hotter than yesterday.比较级+and+比较级，表示“越来越”eg：Now it is hotter and hotter.现在越来越热 longer and longer 越来越长 more an

10、d more beautiful 越来越漂亮 The+比较级比较级，the+比较级比较级 “越越，就越，就越”eg：越多越好。The more,the better.你吃的越多，你就越胖。The more you eat,the fatter you will become句型转换：句型转换：1.Tom is tall.Jim is short.(比较级合并比较级合并)Tom is _ _ Jim.2.My hair is long.Marys hair is longer.(合并成一句合并成一句)Marys hair _ _ _ mine.3.Pedro is thinner than Sa

11、m.(改为同义句改为同义句)Sam is _ _ Pedro.4.My sister is better at study than me.She is clever.(改为同义句改为同义句)My sister is _ clever(聪明的聪明的)than me at study.5.Peter is funny.Paul is funny,too.(合并成一句合并成一句)Peter is _ funny _ Paul.tallerthanislongerthan fatter/heavierthanmoreasas2)比较级：1)A+be+adj比较级+than+B 2)A+V+adv比较

12、级+than+B注意：1)比较级修饰词：much far even still rather a lot a little a bit 2)加倍数：A be+倍数+比较级+than+B 3)同范围的比较，相当于最高级：比较级+than+any other +sl(比其他任何一个都。)4）越来越 ：比较级 and 比较级 5）越.越.：the 比较级，the 比较级 6）两个当中比较.的：the 比较级 of the two 7）Who/Which is 比较级，A or B?最高级：A+be/v+the+最高级+of(in)+.注意：1）名词所有格，形物代修饰省略 the 2)one of t

13、he 最高级+pl 3)Who/Which is the 形容词最高级，A,B or C?1.This box is_ that one.A.heavy than B.so heavy thanC.heavier as D.as heavy as 2.This book is_ that one,but_ than that one.A.as difficult as;expensiveB.as more difficult as;more expensiveC.as difficult as;more expensiveD.more difficult as;as expensiveDC2)

14、比较级：1)A+be+adj比较级+than+B 2)A+V+adv比较级+than+B注意：1)比较级修饰词：much far even still rather a lot a little a bit 2)加倍数：A be+倍数+比较级+than+B 3)同范围的比较，相当于最高级：比较级+than+any other +sl(比其他任何一个都。)4）越来越 ：比较级 and 比较级 5）越.越.：the 比较级，the 比较级 6）两个当中比较.的：the 比较级 of the two 7）Who/Which is 比较级，A or B?最高级：A+be/v+the+最高级+of(in

15、)+.注意：1）名词所有格，形物代修饰省略 the 2)one of the 最高级+pl 3)Who/Which is the 形容词最高级，A,B or C?3.I think science is _ than Japanese.A.much important B.much more important C.important D.more much important4.This pencil is_ than that one.A longest B.long C.longer D.as long5.Our classroom is_ larger than theirs.A.mo

16、re B.quite C.very D.muchBCD2)比较级：1)A+be+adj比较级+than+B 2)A+V+adv比较级+than+B注意：1)比较级修饰词：much far even still rather a lot a little a bit 2)加倍数：A be+倍数+比较级+than+B 3)同范围的比较，相当于最高级：比较级+than+any other +sl(比其他任何一个都。)4）越来越 ：比较级 and 比较级 5）越.越.：the 比较级，the 比较级 6）两个当中比较.的：the 比较级 of the two 7）Who/Which is 比较级，A

17、or B?最高级：A+be/v+the+最高级+of(in)+.注意：1）名词所有格，形物代修饰省略 the 2)one of the 最高级+pl 3)Who/Which is the 形容词最高级，A,B or C?8 When spring comes,it gets_.A.warm and warm B.colder and colder C.warmer and warmer D.shorter and shorter 9 Day by day,_ students in our class came to like English.A.more and more B.much an

18、d much C.many and many D.less and least10 _ I look at the picture,_ I like it.A.The best;the more B.The more;the lessC.The more;less D.More;the more11 _ he read the book,_ he got in it.A.The more;the more interestingB.The less;the more interesting C.The more;the more interested D.More;more interested CABC