人教版go for it 八年级下册英语形容词的比较级和最高级ppt课件.ppt

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- tallest 2)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

2、辅音字母，再 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/est happy-happier-happiest 5）多音节词、部分双音节词词前加 more/most beautiful-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- st tall hard large wide 以重读闭音节结尾的词末尾只有一

3、以重读闭音节结尾的词末尾只有一 个辅音字母应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est big 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-est happy 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 slowly taller harder larger wider tallest hardest largest widest bigger hotter thinner fatte

4、r wetter biggest thinnest hottest fattest wettest happier drier earlier happiest driest earliest narrower cleverer narrowest cleverest more difficult more popular more slowly most difficult most popular most 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-est old_ _ young_ _ tall_ _ long_ _ short_ stro

5、ng_ _ big_ _ small_ _ fat_ thin_ _ heavy_ light_ _ nice_ beautiful_ _ low_ high_ _ slow_ fast_ _ 原级原级 good well bad ill many much little far old 比较级比较级 最高级最高级 better best worse worst less more most farther/further older/elder least farthest/furthest oldest/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

6、 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/well better/best bad/ill worse/worst many/much more/most old older/elder little less/least far farther/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/well bad/ill many/much

7、old little far 特殊：favorite (最喜爱的) 无比较级 short old long young tall slow strong quick weak late large nice fat thin hot big beautiful interesting good well bad many much little far 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

8、，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 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+形容词比较级形容词比较级+ than +B 2.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?”

9、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 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 wi

10、ll 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 as as slow as as small as as happy as as red as as+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 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

11、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 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

12、, 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 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

13、 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 _(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 s

14、chool? 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 both. 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

15、 C. little; less D. few; less B B 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 mine 4.He is 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-quietly 3. 以辅音字母加y结尾的形容词，变

16、y为i,再加-ly。如:busy- busily; angry-angrily; easy-easily 4. 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，

17、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 in the world. Jim jumped (the) highest of the all. fast-faster-fastest slowly- more slowly most

18、 slowly 1.“as+副词的原级+as “ 与.一样 Tom runs as fast as me 2.”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 often get up earlier than my mother. 5.”副词比较级+and+副词比较级” We can do the work better an

19、d better. 1. The bread is _ than these cakes A. very delicious B. much delicious C. more delicious D. as delicious 2. Lin Tao jumped _ in the long jump in the school sports meeting A. far B. farther C. farthest D. quite far 3. When they met in the hotel . They talked and laughed _ A. happily B. happ

20、y C. happier D. happiest C C A 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. larger C. largest D. most largest 6. An elephant is _ than a tiger . A. h

21、eavy B. very heavy C. the heaviest D. heavier D C D 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. careless 9. Which subject is _ , physics or chemistry ? A. interesting B.

22、 most interesting C. more interesting D. the most interesting C D C 10. 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 good 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 A A A