Unit4.语法.ppt

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1、1.Tomisthetallestinourclass.Thisappleisthebiggestofall.1）形容词最高级：用于三者或三者以上的人或事物相比较。2）标志词：表比较范围时用in/of3)形容词最高级前须加the.Languagepoints12.观察句子：Whichdoyoulikebest?Chinese,Englishormath?Tomisoneofthetallestboysinhisclass.TheYellowRiveristhesecondlongestriverinChina.常用句式：1)Who/Which…+最高级…,A

2、,BorC?2)oneof+the+形容词最高级+名词复数形式,意为“最…之一”。3）序数词后跟形容词最高级。2形容词的比较等级1.大多数形容词有三个等级。a.原级即原形，如big(大）。b.比较级表示“较……”或“更……一些”的意思。如:bigger（更大）c.最高级表示“最……”的意思。如:biggest（最大）3２.形容词的比较级用法a.两种人或事物进行比较时,用“形容词比较级+than”。Thesunisbiggerthanthemoon.Thiscakeismoredeliciousthanthatone.形容词比较级可用much,still,al

3、ittle,even等词来修饰。4３.形容词最高级的用法表示三者或三者以上(人或事物)的比较,用最高级。最高级前面一般加定冠词the,后面可带短语来说明比较的范围。如:Maryistheyoungestofthethreegirls.Englishisoneofthemostimportantsubjectsinmiddleschool.54.形容词最高级的构成A:cheapshortquickthicklightcoolwarmquietwildcalmthe--est6B:heavyeasytidydrybusyhappyhealthyhungryear

4、ly变y为i加est7C:largelatenice加stbiggestD:bighotthinwetfathottest“双写”thinnestwettestfattest8Adjectivedeliciousdangerousinterestingpopularbeautifulcarefulfriendlythemostadj.9Adjectivebetterbestfarlittleworseworstmoremostfartherfarthestlessleastgoodwellbadillmanymuch10写出下列单词的比较级和最高级1.goo

5、d2.comfortable3.big4.happy5.cheap6.many7.difficult8.little111.goodbetterbest2.comfortablemore～most～3.bigbiggerbiggest4.happyhappierhappiest5.cheapcheapercheapest6.manymoremost7.difficultmore～most～8.littlelessleast121.Lilygetsup______(early)thanLucy.2.Whichgoes__________(slowly),Tom

6、orJim?3.Thisbookis_______________(interesting)thanthatone.earliermoreslowlymoreinteresting根据所给词的适当形式填空134.Sheworks________________(careful)inherschool.5.Whogoestobed_________(late)Jim,TomorJack?6.Ithinkturkeyis________________(delicious)ofall.themostcarefullylatestthemostdelicious1

7、4复习：形容词最高级的构成A:tallshortquickthicklightcoolwarmquietwildcalmthe--esttalltallertallest15B:heavyeasytidydrybusyhappyhealthyhungryearlyy--i--est16C:largelatenice--stbiggestD:bighothottestthin“双写”thinnestwetwettestfatfattest17Adjectivedeliciousdangerousinterestingpopularbeautifulcarefu

8、lfriendlythemost--adj.18Ad