比较级和最高级的用法PPT通用课件

1、Unit6第五课时第五课时比较级和最高级的用法比较级和最高级的用法形容词比较级形容词比较级一般用在比较两个一般用在比较两个事物的时候。事物的时候。最高级最高级，顾名思义就是在比较，顾名思义就是在比较时候，某一事物具有某方面时候，某一事物具有某方面最典型的特征。最典型的特征。一、形容词、副词的比较级、最高级的构成一、形容词、副词的比较级、最高级的构成规则：规则： 1 一般在形容词、副词后加上一般在形容词、副词后加上er表示表示比较比较级级加加 上上est表示表示最高最高 级级 原级原级 比较级比较级 最高级最高级 1）small small small 2) young young young

2、3) fast fast fast er esteresterest 2 以不发音的以不发音的e结尾的，只加上结尾的，只加上r表示表示 比比 较级，加上较级，加上st表示最高级。表示最高级。 1) large large large 2) nice nice nice 3) fine fine fine rstrstrst 3 以辅音字母以辅音字母+y 结尾的，把消去结尾的，把消去y,然后加然后加 上上er表示比较级；加上表示比较级；加上 est表示最高级。表示最高级。原级原级 比较级比较级 最高级最高级1）early early early2) happy happy happy ierie

3、stieriest4 双写最后一个辅音字母双写最后一个辅音字母，然后加上，然后加上 er 表示比较级；加上表示比较级；加上est表示最高级。表示最高级。 原级原级 比较级比较级 最高级最高级1） big big big 2) thin thinner thinnest3) wet wetter wettest4) fat fatter fattest 5) hot hotter hottest gergest多音节词或部分双音节词的比较级和多音节词或部分双音节词的比较级和 最高级在其前面加最高级在其前面加more或或most。 beautiful more beautifulmost beau

4、tiful important more importantmost importantInteresting more interesting most interestingquickly more quickly most quicklytired more tired most tiredhappily happily happily heavily heavily heavilyexpensive careful easily deliciouswonderful popular dangerous 构 成 方 法原 级比 较 级最 高 级单音节词和少数多音节词一般在词尾加一般在词尾

5、加-er/或或-est/ist/coldcoldercoldestfastfasterfastest以字母以字母e结尾的形容词，加结尾的形容词，加-r或或-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字母重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加时，应先双写辅音字母；再加-es或或-estbigbiggerbiggesthothotterhottest以以“辅音字母辅音字母+y”结尾的双音节结尾的双音节词，先改词，先改“+y”结尾结尾的的双双音节词，音节词，先改先改“y”为为“i”,再加再加-er或或-esteasyeasierea

6、siestearlyearlierearliest多音节词和部分双音节词在词前加在词前加more或或mosttiredmore tiredmost tiredeasilymore easilymost easily 不规则变化，不规则变化，要多加注意哦！要多加注意哦！ good bad many little well badly much far betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremost原级原级 比较级比较级 最高级最高级fastshortbigthinfunnyheavy

7、athleticexpensivefarfastershorterbiggerthinnerfunnierheaviermore athleticmore expensivefartherfurtherfastestshortestbiggestthinnestfunniestheaviestmost athleticmost expensivefarthestfurthest修饰比较级的词修饰比较级的词 much(的多的多)、far (的多的多)、 a lot(的多的多)、even(更更)、still（仍然）、（仍然）、 any (任何任何) a bit(一点儿一点儿) a little (

8、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. She drives still more carefully than her husband. 她开车仍然比她丈夫认真。 1）两者（）两者（A与与B）进行比较，）进行比较， “A比比B较较/更更”。 A + 谓语谓语 + 比较级比较级 +than + BTom 比 Sam 高。 Tom is taller than Sam.Tom 比 Sam 跑得快。 Tom runs

9、faster than Sam This bridge is longer than that one. Our school is larger than theirs. （2）两者（）两者（A与与B）进行比较，）进行比较，“A比比B大大/长长/高高” A+谓语谓语+数量词数量词+比较级比较级+than+ B eg: Tom比比Sam大两岁。大两岁。 Tom is two years older than Sam. （3）两者（）两者（A与与B）进行比较，）进行比较，“哪一个更哪一个更/较较” Which/Who 谓语谓语 + 比较级比较级, A or B ? eg:数学和英语哪一科较简单？

10、数学和英语哪一科较简单？ Which is easier, math or English? Tom和和Sam谁跑得更快？谁跑得更快？ Who runs faster, Tom or Sam? （4）两者（）两者（A与与B）进行比较，）进行比较，“其中其中A是两者中是两者中较较” A+谓语谓语 + the +比较级比较级 + of the two(+名词复数名词复数). eg：Tom is the taller of the two boys. 汤姆是这两个男孩中最高的汤姆是这两个男孩中最高的 . （5）比较级比较级+ and + 比较级比较级， 表示表示 “越来越越来越” eg：Now it

11、 is hotter and hotter. 现在越来现在越来越热。越热。 shorter and shorter 越来越短越来越短 longer and longer 越来越长越来越长 more and more beautiful 越来越漂亮越来越漂亮 more and more interesting越来越有趣越来越有趣 Tom is as tall as Mike. as+形容词原形形容词原形+asThere are as many students in our school as yours. Tom is three times as old as Mike. the + 比较级

12、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. The more you eat, the fatter you will become. 表示倍数时用表示倍数时用:times+比较级比较级+than eg:My room is three times bigger than yours三、形容词、副词的最高级三、形容词、副词的最高级 形容词和副词的最高级常用来表示三者或三者以上形容词和副词的最高级常用来表示三者或三者以上人或物的比较。最高级前加定冠词人或物的比较。最高级前加定冠词the1、主语主语+谓语谓语+the +最

13、高级最高级 +of/in/among短语短语 。 表示表示“主语是主语是中最中最的的”。 My mother is the busiest in my family. 我妈妈是家中最忙的。 I jump (the) farthest in my class. 我是我们班跳得最远的。 Tom is the tallest of all the students. Tom是所有学生中最高的。2、one of the+最高级最高级+名词复数名词复数 “最最之一之一”。 Beijing is one of the largest cities in China. 北京是中国最大城市之一。3、the +

14、 序数词序数词 + 最高级最高级 + 名词名词 表示“第几大长高” The Yellow River the second longest river in China黄河是中国第二长河。4、Which/Who +谓语谓语+ the+最高级最高级, A ,B or C ? 表示“三者中哪一个更、最” Which is the biggest , the moon, the earth or the sun ? 月球、地球和太阳哪一个更大？ 注意注意：当最高级前有物主代词修饰时，其前不加当最高级前有物主代词修饰时，其前不加 定冠词定冠词the. Its our largest machine i

15、n our factory. 。 1.Which do you like _(well),apples or oranges?2.Who is _(old),Jim or Tom ?3.Jack is running _ and _(fast) .4.Our country is becoming _and _ (beautiful). 5.He is _(tall) of the the two boys. betterolderfasterfastermore more beatifulthe tallerI.用形容词的正确形式填空用形容词的正确形式填空1.Which do you lik

16、e _ (well), apples, pears or bananas?2.I think this story is _ (interesting) than that one.3.In the morning he is _ (early). His father is _ (early) than he. His mother is the _ (early) of the three.4.The Yellow River is the second _ (long) river in China.5.He thinks his corn is _ (delicious) of all

17、 the food.6.I feel math is _ (difficult) than Chinese.best more interesting earlyearlierearliestlongest most deliciousthe more difficult四. 单项选择。1. Lucy is very short, but she is _ than her sister. A. shorter B. longer C. taller D. older 2. Frank is _ friendly than his brother. A. a little more B. a

18、few more C. much D. a little 3. Sam is _ at Chinese than Jim. A. good B. well C. better D. gooder 4. This one is too large. Can you show me a _one? A. larger B. large C. small D. smaller 5. Do you think March is _ than January? Yes, its _ warmer. A.better, a little B. well, much B.C. worse, very D.

19、nicer, quite 6. Im _ quieter than Susan. A. little B. few C. a little D. a few 7. The watch is not _ beautiful as that one. A. very B. too C. so D. more 8. His French isnt so good as _. A: he B: him C:his D: hers 9. Its much better than _ classes. A. have B. has C. to have D. having 10. Her bag is n

20、ewer than _. A. mine B. my C. me D. I11. The _, the better. A. much B. many C. more D. most 12. Do you know who is _ of the twins? A. shorter B. heavier C. the older D. the funny13. The weather in North China is colder than _ in South China. A. B. this C. the one D. that 13. Which one is _, this one

21、 or that one? A. good B. bad C. bestD. worse14. He is _ than me. A. older B. elder C. young D. more younger15. I think your room is _ bigger. A. a lot B. a lot of C. lots of D. moreFollow ups(随堂练习)1、-Mr Zhou, all of the students in our group, who lives _? -I think Li Lei does. A. fat B. father C. fa

22、rthest D. farest2、The Changjiang River is _ than any other river in China. A. shorter B. longer C. shortest D. longest3、Bob never dose his homework _ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as4、_ she is, _ she feels. A. The more busy, the more

23、happy B. The busy, the happy C. Busier, happier D.The busier, the happier5、The weather is getting w_ a_ w_ .(越来越糟糕)CBBD Dorst nd orst 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 th

24、an Sam. (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

25、+ 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) +. 注

26、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?1.This box is_ that one.A. heavy than B. so heavy thanC. heavier as D. as heavy as2 When we speak to people, we should be - .A. as polite as possible B. as polite as possiblyC. as politely as possible D. as politely as p

27、ossibly3 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 expensive2)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

28、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 the 最高级+ pl 3)Who/Which is the 形容词最高级，A ,B or C?( )4 I think science is _ than Japanese.A. much important B. much more important C. important D. more much important( ) 5 This pencil is_ than that one.A longest B. long C. longer D. as long( ) 6 My mother is no _ young.A. shorter B. longer C. little D. few( ) 7 Our classroom is_ larger t