小学英语形容词的比较级和最高级ppt课件.ppt

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1、用来修饰名词，表示事物的用来修饰名词，表示事物的特征特征的词。的词。eg：1.an old man a tall boy a short ruler (something wrong) 2.She is beautiful. 3.Lets keep the door open.形容词比较级和最高级（规则变化）形容词比较级和最高级（规则变化）1.单音节和少数双音节形容词比较级和最高级的构成。1）在词尾加-er -est tall taller- tallest2)以不发音的字母e 结尾的，加-r -st nice - nicer-nicest 3)重读闭音节以一个辅音字母结尾的，双写辅音字母，再

2、加-er -est (辅元辅） big - bigger-biggest 4)以辅音字母加y结尾的先将y 变为i再加er/esthappy-happier-happiest5）多音节词、部分双音节词词前加 more/mostbeautiful-more beautiful -most beautiful词词 尾尾 变变 化化原级原级比较比较级级最高最高级级单音节词在词尾加单音节词在词尾加-er(比较级比较级)或或-est(最高级最高级)以字母以字母e接尾的词加接尾的词加-r或或-sttall hard large wide以重读闭音节结尾的词末尾只有一以重读闭音节结尾的词末尾只有一个辅音字母应

3、双写辅音字母再加个辅音字母应双写辅音字母再加er或或estbig hot thin fat wet 以辅音字母以辅音字母+y结尾的词变为结尾的词变为i再加再加-er,或或-esthappy dry early narrow clever 多音节词和多数双音节词在其前面多音节词和多数双音节词在其前面加加more 和和most difficult popular slowlytaller harder larger wider tallest hardest largest widestbigger hotter thinner fatter wetterbiggest thinnest hott

4、est fattest wettest happier drier earlierhappiest driest earliestnarrower cleverernarrowest cleverestmore difficult more popularmore slowly most difficult most popularmost slowly少数以少数以-er,-ow结尾的双音节结尾的双音节词可加词可加-er或或-estold_ _ young_ _ tall_ _ long_ _ short_ strong_ _ big_ _ small_ _ fat_ thin_ _ heav

5、y_ light_ _ nice_ beautiful_ _ low_ high_ _ slow_ fast_ _ 小练习原级原级goodwellbadillmanymuchlittlefarold比较级比较级最高级最高级better bestworseworstless more mostfarther/furtherolder/elderleast farthest/furthestoldest/eldest巧记：巧记：特殊形式比较级特殊形式比较级和最高级共有和最高级共有三三对二合一对二合一坏病坏病两多两多并并两好两好little意思不是小意思不是小一分为二有两个一分为二有两个一是一是老老

6、来二是来二是远远不规则变化不规则变化原级原级比较级比较级/最高级最高级good/wellbetter/bestbad/illworse/worstmany/muchmore/mostoldolder/elderlittleless/leastfarfarther/further特殊：favorite (最喜爱的) 无比较级不规则变化不规则变化原级原级比较级比较级/最高级最高级good/wellbad/illmany/mucholdlittlefar特殊：favorite (最喜爱的) 无比较级shortoldlongyoungtallslowstrongquickweaklatelarge n

7、icefatthinhotbig beautifulinterestinggoodwellbadmanymuchlittlefar形容词比较级和最高级练习题形容词比较级及最高级的句式用法归类heavy This box is heavier than that one.That box is heavy. 形容词的比较级用法比较级的使用：两个人或事物进行比较时，用比较级。 两者比较，形容词的比较级加两者比较，形容词的比较级加“than” Eg. Sally is taller than Ben. Sally 比比Ben高。高。 Fred is fatter than Mike. Jim is

8、shorter than Peter. Paul is thinner than Peter. The ruler is longer than that one.比较级常用句型基本句式：1.A +be+ than +B2.表示两者之间的选择，可使用表示两者之间的选择，可使用“Which is+ 比较级，比较级，or?” 3.表示不及另一方时，使用表示不及另一方时，使用“less+原原级级+than”Which is longer, this one or that?This park is less beautiful than that one. 4.越来越. 比较级and比较级 越来越高

9、 越来越暖和 taller and taller warmer and warmer In spring, the days are getting longer and longer.5.The + 比较级，the + 比较级 “越，就越”The more you eat, the fatter you will become. 原级常用句型一样长一样慢一样小一样高兴一样红as long asas slow asas small asas happy asas red asas+形容词原形+as 和.一样 1.A +be +as+形容词原形+as+B A和B一样1.The ruler is

10、as long as that one.2.The apple is as red as that one.3.I am as tall as you. 否定否定 not as+形容词原形形容词原形+as “和和 不一样不一样” 或或 not so+形容词原形形容词原形+as “不及不如不及不如 Tom is not as tall as Mike.Tom is not so tall as Mike. This boy is old enough to go to school 2.so+ 形容词原级形容词原级+that丛句丛句 He is so big that he cant enter

11、 the room by the door . 3. too+原级原级+ to do sth.He is too young to go to school. 4.形容词原级形容词原级+ enough to do sth. 注意：比较级前的修饰词：a little, a lot, much, even; far; still eg：He is a little taller than I. 形容词最高级的用法 用于用于三者以上的人或事物做比较者以上的人或事物做比较1.one of the+最高级最高级+名词复数名词复数2.the+最高级+of (in)Lu Xun is one of the

12、greatest writers last century Of all the movie stars, I think Chen long is the best. He is the tallest in our class. 3.Who/Which is +the 形容词最高级.?用形容词适当形式填空1. My brother is two years_(old)than me.2. Is your sister _(young) than you? Yes,she is.3. Who is _(thin),you or Helen? -Helen is.4. Tom is as _(

13、fat) as Jim.5.Fangfang is not as _(tall) as the other girls.6.Which is _(heavy),the elephant or the pig?7.Tom is_(tall) in our school?8.Lu Xun is one of _(great） writers last century.9.Which is _(small),the tiger、the dog and the ant？Production 小升初真枪实练（ ）1. I dont know which is _, so I ll take them b

14、oth. A. good B. better C. best D. the best（ ）2. Can you do your work with _ money and _ people? A. less; few B. less; fewer C. little; less D. few; lessBB副词用来说明动作或状态的特征，副词用来说明动作或状态的特征，时间，地点，程度，方式等情况。时间，地点，程度，方式等情况。e.g. 1.I can sing well. (good) 2.He runs slowly.( slow)3.The books here are mine4.He i

15、s out now.副词的构成1.本身就是副词 how very there 等2. 形容词+ly。如: slow-slowly; quick-quickly; quiet-quietly3. 以辅音字母加y结尾的形容词，变y为i,再加-ly。如:busy-busily; angry-angrily; easy-easily4. 少数以不发音e结尾的形容词，要去掉e再加-ly。例如：terrible-terribly; true-truly; gentle-gently但绝大多数以e结尾的形容词仍然直接加-ly。例如：polite-politely, wide-widely等。副词分类1.时间

16、副词：then，before 等2.地点副词：here，there等3.方式副词：slowly fast等4.程度副词：very much 等5.频率副词：often，always ，usually，sometimes，never等6.疑问副词：When，how等 副词的比较级和最高级的构成和形容副词的比较级和最高级的构成和形容词的比较级和最高级的构成基本相同词的比较级和最高级的构成基本相同.e.g. 形容词记的最高级前要用定冠词形容词记的最高级前要用定冠词the,副词的最高级前可用可不用定冠词副词的最高级前可用可不用定冠词the.Mount Qomolangma is the highest

17、 in the world.Jim jumped (the) highest of the all.fast-faster-fastestslowly- more slowly most slowly1.“as+副词的原级+as “ 与.一样Tom runs as fast as me2.”not as（so）+副词的原级+as” 与.不一样I dont run as fast as my classmates.3.”too+副词原级+to do sth” 太.而不能He rides too slowly to catch up with me.4.”A+动词+副词比较级+than+B”I o

18、ften get up earlier than my mother.5.”副词比较级+and+副词比较级”We can do the work better and better.1. The bread is _ than these cakes A. very delicious B. much delicious C. more delicious D. as delicious2. Lin Tao jumped _ in the long jump in the school sports meeting A. far B. farther C. farthest D. quite

19、far3. When they met in the hotel . They talked and laughed _A. happily B. happy C. happier D. happiestCCA 4. In our city its _ in July ,but it is even _ in August A. hotter hottest B. hot hot C. hotter hot D. hot hotter 5. Hainan is a very large Island .It is the second _ island in china. A. large B

20、. larger C. largest D. most largest 6. An elephant is _ than a tiger . A. heavy B. very heavy C. the heaviest D. heavierDCD 7. A horse is _ than a dog . A. much heavy B. more heavier C. much heavier D. more heavy 8. Emma always makes a lot of mistakes . She is _. A. care B. careful C. carefully D. c

21、areless 9. Which subject is _ , physics or chemistry ? A. interesting B. most interesting C. more interesting D. the most interesting CDC10. He is _ enough to carry the heavy box . A. strong B. stronger C. much stronger D. the strongest 11. Li lei often talks _ but does _ so everyone says he is a go

22、od boy . A. less more B. few much C. more little D. little many 12. When the famous singer started to sing , everyone began to shout very _ . A. loudly B. loud C. heavily D. high AAA形容词和副词的意义及用法形容词和副词的意义及用法形容词和副词的比较级和形容词和副词的比较级和最高级的构成及用法最高级的构成及用法Homework1.继续巩固形容词及副词的比较级及最高级2.再次完成卷子进行练习。3.背学习课本第一单元第1，2课，发一视频3.背小学问答句子15-184.背小升初72个短语前三个。5.背小学单词核心单词前24个，下次听写。6.下次上课11.12