初中英语人教版八年级上册U nit 3 Grammar.ppt

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1、形容词和副词的比较级大多数形容词和副词有三个等级：1原级，即原形（没有进行比较）2比较级，表示“更……”（两者进行比较）3最高级，表示“最……”（三者或三者以上进行比较）形容词和副词的比较级的构成规则变化1一般在词尾加er------taller,shorter,quieter,faster2以e结尾的在词尾加r------nicer,later,larger,finer3重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加er-------bigger,thinner,fatter,wetter,hotter4以辅音字母+y结尾的，把y变i再加er------easie

2、r,funnier,earlier,lazier5多音节词和部分双音节词，在词前加more------morebeautiful,moreoutgoing,moredifficult，moreexpensive,moreimportant,morepopular不规则变化1good/well-----better2bad/badly-----worse3many/much-----more4little-----less5far-----farther1long---smart---high---tall---2nice---safe---brave---late---3big

3、---thin---fat---wet---hot---4heavy---funny---early---easy---5serious---clearly---important---outgoing---interesting---6good/well---bad/badly---many/much---little---far---写一写198cm226cmtalltallerKobeis.YaoMingisthanhim.talltallerbigbiggerThisappleis.Thatappleisthanthisone.bigbiggerfunnyfunnier

4、JackieChanis.ZhaoBenshanisthanhim.funnyfunnierexpensivemoreexpensive100pounds180poundsThereddressis.Thepinkoneisthantheredone.expensivemoreexpensive说一说练一练1Tomhas_________hairthanme.(short)2Whichis_________,busortrain?(fast)3Theweathertodayis________thanthatyesterday.(nice)4Mybagismuch_______

5、__thanhers.(big)5Whois__________,TomorJim?(heavy)6IthinkEnglishisalittle_______thanmath.(easy)7whichis___________,thisoneorthatone?(beautiful)shorterfasternicerbiggerheaviereasiermorebeautiful8Whodid__________inthisphysicstest,LucyorLily?(well)9Ifeeleven___________thanyesterday.(bad)常用来修饰比较级

6、的有:betterworsemuch,even,alittle,alotHOMEWORKWriteashortpassage.(compareyouselfwithyourfriends)