初中英语人教版八年级上册Unit3 sectionA.ppt

Unit3Immoreoutgoingthanmysister.,SectionA,Whatdoeshelooklike?,Heis,short,tall,YaoMingistall.,Panisshort.,Whatdoeshe/shelooklike?,Jolin,Gigi,Shehaslonghair.,Shehasshorthair.,longhair/shorthair,Jim,Bob,Bobisheavy.,Jimisthin.,thin,Sheisyoung.,Heisold.,young/old,heavy,Whatdoeshe/shelooklike?,short,shorthair,heavy/fat,strong,outgoing,友好的,外向的,文静的,内向的,tall,longhair,thin,quiet,Speakouttheopposites(反义词)oftheseadjectives,Jordanistall.,YaoMingistaller,Jordan,2.26m,1.98m,thanJordan.,YaoMingistaller.,Jordanis_YaoMing.,shorterthan,Lookatthepictures,compareanddescribethem:,LiuHuanisheavy.,FeiMaoisheavier,80kg,thanLiuHuan.,FeiMaoisheavier.,90kg,CaiYilinshairislong,LiuYifeishairislonger,short/longhair,LiuYifeishairislonger,thanCaiYilins.,1.Jordanistall.,2.YaoMingistallerthanhim.,更高,A+be+比较级+than+B,Ois_thanI,fatter,Thisexampleismoreinterestingthanthatone.,O比I胖些,Theredboxisbig.,Thegreenboxissmall.,Theredboxisbiggerthanthegreenbox.Thegreenboxissmallerthantheredbox.,Thepurplerulerislong.,Thebluerulerisshort.,Thepurplerulerislongerthantheblueruler.Thebluerulerisshorterthanthepurpleruler.,LinXinruisthin.,LiuYifeiisthinner.,LiuYifeiisthinnerthanLinXinru.,45kg,48kg,LiYongismoreoutgoingthanChenglong.,ChengLongisoutgoing.,LiYongismoreoutgoing.,tallthinlonghairquietly,loudlyshorthairheavyshort,1a.Matcheachwordwithitsopposite!,Conversation1A:IsthatSamplaytheguitar?B:No.ThatsTom.Samhas_hair_Tom.C:BothTomandSamcanplaythedrums.butSamplaysthem_thanTom.Conversation2A:ThatsTara,isntit?B:No,itisnt.ItsTina.Tinais_thanTara.Andshealsosings_thanTara.Conversation3A:IsthatPaul?B:No,thatsPeter.Peters_thanPaul.AndPauls_thanPeter.,1b,Listenandcompletetheconversations,longer,than,better,taller,moreloudly,heavier,shorter,大多数形容词和副词有三个等级：原级、比较级、最高级。一、构成1.构成的不规则变化:eg.good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest,Grammar:形容词和副词的比较级和最高级,2.构成的规则变化:1)单音节词和少数双音节词一般在词尾后加-er或-est.(以不发音字母e结尾的单词直接加r或st)如：coldcoldercoldestnicenicernicest2)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:bigbiggerbiggestthinthinnerthinnest,3)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：easyeasiereasiesthappyhappierhappiest4)多音节词和部分双音节词在词前加more或most。如：deliciousmoredeliciousmostdeliciousinterestingmoreinterestingmostinteresting,比较级规则变化口诀：,比较级，要变化，一般词尾加er。(long-longer)词尾若有哑音e,直接加r就可以。(nice-nicer)重读闭音节，单辅音字母要双写。(hot-hotter)辅音字母若加y,记得把y变为i。(happy-happier),二、用法比较级表示两者(人或事物)的比较。eg.IamtallerthanTom.Mydressismorebeautifulthanhers.,用形容词的适当形式填空,1.Samhas_(long)hairthanTom.2.Tomis_(smart)thanSam.3.Tinais_(tall)and_(quiet)thanTara.4.Paulis_(short)and_(heavy)thanPedro.5.Im_(funny)thanTara.6.Tarais_(serious)thanTina.7.DuJiais_(popular)thanothersinC