形容词的比较级(Comparative)和最高级(Superlative)构成方法原级比较级最高级单音节词和少数双音节词在词尾加-er或-est fastlongtallcheapfasterlongertallercheaperfastestlongesttallestcheapest以字母e结尾的形容词，加-r或-stnicesafelatenicersaferlaternicestsafestlatest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-er或-estbighotthinbiggerhotterthinnerbiggesthottestthinnest以辅音字母+y结尾的双音节词，先改“y”为“i”,再加-er或-esteasyhappyheavyeasierhappierheaviereasiesthappiestheaviest构成方法原级比较级最高级部分双音节词和多音节词在前面加more或mostbeautifulimportantdangerousfrightenedmore beautiful more important more dangerous more frightened most beautiful most important most dangerous most frightened不规则变法good / wellbetterbestbad / badlyworseworstmany / muchmoremostlittlelessleastfarfartherfarthestfurtherfurthestoldolder / elderoldest / eldestWe use adjectives to describe someone/something. We can put an adjective before a noun (名词前) or after a linking verb (系动词后).1. 形容词放名词前作定语或放连系动词后作表语。2. 形容词有比较级和最高级。比较级用于两者之间比较，标志词是than，置于比较级后。最高级用于三者或三者以上进行比较。形容词最高级前要加定冠词the，不可省略，标志是of+同类比较事物或in+比较范围。3. 两者进行比较还可以用“asas”句型，表示“同样”。另外，“not asas”句型也可以用于两者比较，表示“前者不如后者”。e.g. Millie is as tall as Kitty.Amy is not as tall as Peter. ( Amy is shorter than Peter.)Fill in the blanks:1.Lilys hair is _ Lucys. (They both have shoulder-length hair.)2.Sandys hair is _ Lucys. Sandys hair is _ than Lucys.3.Simon is _ (tall) Kitty.4.Peter is _ (tall) student of the six students.5.Sandy is _ (heavy) Millie.6.Peter is _ (heavy) student of the six students.7.Millie is _ (slow) swimmer of the six students.8.Amy is _ (fast) swimmer of the six students.9. Millies drawing is _ (beautiful) Simons.10.Sandys drawing is _(beautiful) in the drawing competition.11.Millies English is _ (good) Amys. Millies English is _(good).12. Simon is _ (short) Peter.13. Amy and Kitty are _ (light) students among the six students.14. Millies drawing is _ (beautiful) Kittys in the drawing competition.15. Peters English is _ (bad).Multiple Choice( )16.Sam: My god!My old _ are _ than before. A.cloth short B.clothesshorter ( )17.Toms box is _than his mothers. A. heavyier B. heavier( )18.His fathers box is _ of all.A. the heaviest B. heaviest( ) 19. My mother is _ in our family. A.busiest B.the busiest C.busier D.busy ( ) 20. This apple is _ of all. A.redder B.the redest C.the reddest D.reddest ( ) 21.Which pen is _ , this one or that one? A.dear B.dearest C.the dearest D. dearer( ) 22. Kate is _ than all the other girls. She is _ of all. A.taller , tallest B. taller , the tallest C. the tallest , tallest D. tallest , the tallest( ) 23. _ of the two men is my uncle. A. The older B. Old C. The oldest D. Oldest( )24. Do you know _ of the three? A. the youngest B.youngest C. the younger D. youngerFill in the blanks:25.格林先生是这四个人当中最高最胖的。 Mr Green is _ _ and _ one _ the four.26. 小香蕉往往比大香蕉好。Small bananas are often _ _ big ones. 27. 我的铅笔比你的短。My pencil is _ _ yours.28. 在中国，哪一条河流最长？Which river is _ _ in China?29. 他的观点比我的新。His idea is _ than _.Keys 1. as long as 2. not as long as; shorter 3. taller than4. the tallest 5. heavier than 6. the heaviest 7. the slowest8. the fastest 9. more beautiful than 10. the most beautiful11. better than; the best 12. shorter than 13. the lightest14. more beautiful than 15. the worst16.B 17. B 18. A 19.B 20.C 21.D 22.B 23.A 24.A25. the tallest, fatter, of 26. better than 27. shorter than 28. the longest 29. never mine