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1、 Comparative and superlative adjectives and adverbsApple A is as big as apple B.Apple A is as heavy as apple B.original grade 原级比较原级比较apple A apple B Apple A is not so big as apple C.apple Aapple Coriginal grade 原级比较原级比较Apple A is not as heavy as apple C.Apple A is not so big as apple C.Apple A is n
2、ot as heavy as apple C.Apple C is bigger than apple A.Apple A is smaller than apple CApple C is heavier than apple A.Apple A is lighter than apple C.comparative grade 比较级比较级Apple A is_ _one of the three.Apple C is _ _one of the three.Apple C is _ _one of the three.superlative grade 最高级最高级the smalles
3、tthe biggest the heaviest apple Aapple Capple B原级原级big ,smallheavy,light 比较级比较级bigger, smallerheavier, lighter最高级最高级biggest, smallestheaviest, lightestHow to change the form of the words?规则变化（化（词尾尾变化）化）regular原原级比比较级最高最高级1. 单音节词在词尾加er或 est，以 字母e结尾的加r或 sttallwide2. 以重读闭音节结尾的词末只有一个辅音字母应双写辅音再加er或 estho
4、t 3. 以辅音字母y结尾的词变y为 i，再加er或 esthappy4. 多音节词和多数双音节词在其前面加more或 most也可以在其前面加上less或 leastpopularmore popularless popularmost popularleast populartallerwidertallestwidesthotterhottesthappierhappiest不不规则变化化 irregular原原级比比较级最高最高级good/wellbad/ill many/ muchlittlefarlessfarther/furtherleastfarthest/furthestbe
5、tterbestworseworstmoremost1. ill/bad/badly _ _ 2. busy _ _3. rude _ _ 4. thin _ _5. little _ _ 6. many/ much _ _7. difficult _ _ 8. fast _ _Write the comparative and superlative adjectives and adverbs.1. Tom is _ (tall) than Jone. 2. Who is _ (tall), Tom or Jone? 3. Tom is _ (tall) of the two boys.
6、tallertallerthe taller两者之间选择两者之间选择,特征词特征词which,who.A or B?两者中的一个两者中的一个两者之间比较两者之间比较,特征词特征词than4. Tom is much _(tall) this year.5. Now the weather is getting _and _ (hot).（越来越热）6. He studies _and _(carefully) (越来越认真）7.The _(hard) Tom studies, the _(good) mark he will get.tallermuch,even,far, a lot.后跟比
7、较级后跟比较级越来越越来越.要要用比较级用比较级harderbetterhotterhottermorecarefullymore两者选择两者选择A or B?比比较级两者比较两者比较,标志词标志词than 比较级比较级+and + 比较级比较级much, even, far ,a lot 越越.就越就越 两者中的一两者中的一个个of the two.1. -which is _(heavy), a tiger or an elephant? -An elephant is much _(heavy) than a tiger.2. Im good at English. I think En
8、glish is _(difficult) than science.3. Mary is _ (thin) of the two girls.4. Its spring now. The weather is getting _(warm)5. My _(old) sister is two years_(old) than I.6. The population in China is much _(large) than _ in America.1. China is bigger than _ in Africa.2. China is bigger than _in Asia. A
9、. any countries B. any other country C. any country D. the other countriesCBChina is the biggest country in Asia.superlative grade最高级最高级 比较级比较级than最高级最高级.of/in.in his classTom is taller thanTom is the tallest student in his class.anyone elseany other studentthe other studentsany of the othersany of
10、the other students Nobody is _ _ Tom in his class.taller thanIn which situation well use superlative grade?the + 最高级最高级+of/in(三者及以上范围三者及以上范围)superlative gradeone of the+最高级最高级 +名词复数名词复数+in/of the+序数词序数词+最高级最高级+名词名词+in/ofWhich/Who is the +最高级，最高级，A，B or C?the+ 最高级最高级+名词名词(that)I have ever seen.1. Chi
11、na has _(large)population in the world.2. Yangzi River is _ (long) river in Asia, its also the third _ river in the world.3. Which is _(big) ,the sun ,the earth or the moon?4. Shanghai is one of _(modern) cities in the world.5. This is _(beautiful) music I have ever heard.1. Practice makes perfect.2
12、. No pain, no gain!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 far3. In our city its _ in July ,but it is even _ in August. A. hotte
13、r，hottest B. hot ，hot C. hotter，hot D. hot ，hotter4. Hainan is a very large Island .It is the second _island in China. A. large B. larger C. largest D. most largest CCCDD5. Tom studies much_(hard)this term. _(hard)he studies, _(good)grades he will get!6. Mary is _(thin) of the two girls, shed better
14、 eat_(many). 7. After graduating from university he wants to go to America for _(far)study.harderThe harderthe betterthe thinnermorefurther规则及不规则形容词/副词比较级和最高级变法as/so.as原级thanA or Bof the twoeven, much, far, a lot.比较级.of the three.one of .the +序数词序数词I have ever seen/heardA, B or C最高级1.You have to: please finish the exercise on this paper.2. If you can: get more information about the grammar from the Internet.
