英语人教版八年级下册形容词的比较等级.ppt

形容词、副词比较级和最高级复习,Comparativeofadjectives(形容词比较级、最高级)一、Regularadjectives(规则形容词）talltallertallestshortshortershortestoldolderoldestcoldcoldercoldestwarmwarmerwarmestlonglongerlongestsmallsmallersmallest,+er,+est,1.大多数形容词的比较级和最高级是直接在后面加-er或-est,nicenicernicestwhitewhiterwhitestlargelargerlargest,+r,+st,2.以不发音字母e结尾的在原级后加-r或-st,heavyheavierheaviesteasyeasiereasiestfriendlyfriendlierfriendliest,+ier,+iest,3.以“辅音字母+y”结尾的形容词，变y为i,再加er或-est,hothotterhottestbigbiggerbiggestfatfatterfattest,(双写最后字母)+er,双写+est,4.以重读闭音节结尾的形容词，双写词尾的辅音字母，再加-er或-est,二、Irregularadjectives(不规则形容词）原级比较级最高级goodbetterbestbadillworseworstmanymuchmoremostlittlelessleastfarfartherfarthestfurtherfurthest,形容词、副词比较等级的用法1.原级:可用very,quite,so,too,等词修饰.e.gJimisverytall.,2.比较级:可用much,many,alot,alittle,abit等修饰.其主要句型有：比较级+thane.gMaryismuchyoungerthanSue.疑问句+动词+比较级,AorB?e.gWhodrawsbetter,TomorJim?Whichlikebetter,AorB?e.gWhichdoyoulikebetter,mathsorEnglish?比较级+and+比较级，表示越来越e.gthedaysaregettingshorterandshorter.,the+比较级,the+比较级,表示越越e.ghesays,”thebusier,thebetter.”,Jimworkshardestofusall.,Mymotheristhebusiestinmyfamily,e.g,疑问词+动词+最高级whichlikebest,A,BorC?,新课标（RJ）,所给形容词或副词的适当形式填空1Whohas_(many)books,ZhangLiorLiYing?2.Doyouthinkyouare_(outgoing)thanyourfather?3Itwascoldyesterday,butitismuch_(cold)today.4Takethemedicinetwiceaday.Youwillbe_(well)tomorrow.5Chinaisoneof_(large)countriesintheworld.,more,moreoutgoing,colder,thelargest,better,新课标（RJ）,6Ihavemanyforeignfriends.Verais_(tall)ofthem.7Whohas_(heavy)backpack，LiWeiwei，ZhangYin，ZhouXinyuorZhaoYuchang?8Whodoyouthinkis_(funny)actor，PanChangjiang，ZhaoBenshanorChenPeisi?9Theschoolhas_(many)studentsinKunming.Therearemorethaneightthousandstudentsintheschool.10WhichgirlspeaksEnglish_(well),LiuFangorChengYao?,thetallest,theheaviest,thefunniest,better,themost,时态,现在完成时,现在完成时定义,cameherein1996,havebreakfast,Istilllivehere,Imnothungrynow,Ihavejusthadmybreakfast.,(现在我不饿),1.过去发生的动作对现在造成的影响或结果。,2.过去已经开始，持续到现在的动作或状态,常与:already,yet,ever,never,just,before,once,twice等连用,也可以和包括现在在内的时间状语,如thesedays,today,thisyear,sofar等连用.,Ihavelivedherefortenyears.,Ihavelivedheresince1996/tenyearsago.,now,past,future,常与for+时间段,since+时间点/从句,inthelasttenyears等,谓语只可用延续性动词.,现在完成时动词构成,have/has+v过去分词,助动词,否定,疑问,haventhasnt,Haveyou?Hashe?,1.规则动词2.不规则动词,动词的过去分词形式,finish-finished-finishedlive-lived-livedcarry-carried-carriedstopstopped-stopped,Eg.,gowentgonesee-sawseenforgetforgot-forgotten,Payattention注意,1.has/havebeentohave/hasgonetohave/hasbeenin,去过某地表示某人的一种经历,可与once,twice,already,ever,never等连用.,去某地了,说话时某人已离开此地,在去某地的途中或已在某地,逗留在某地(已经一段时间).常和fortendays,sinceIcamehere等连用.,1.whereisJim?HeWuhan.2.MyparentstheGreatWalltwice.Theylikethereverymuch.3.HowlongPetertheWestHillfarm?,请你练一练,hasgoneto,havebeento,has,beenin,现在完成时中的for与since,for+时间段与延续性动词的现在完成时连用since+时间点/从句,Ihavekeptthelibrarybookforaweek.=Ihavekeptthelibrarybooksinceaweekago.,请你练一练,Wehavelearned1,000Englishwords_wecametothisschool.,since,3,区分短暂性动词与持续性动词.,英语动词根据词义可分为两种,一种是延续性的,一种是终止性的,终止性动词(也可称为非延续性动词或瞬间动词),如begin,start,die,buy,leave,come等,表示动作的发生与结束于一瞬间完成,不能再延续,所以它的现在完成时不能和表示延续的时间状语连用,即不能与表示一段时间的状语,for+时间段,since+时间点/从句连用,也不能用在howlong引导的特殊疑问句,Ihaveboughtthispenfortwomonths.,Ihavehadthispenfortwomonths.,Howlonghaveyou_thispen?,had,4,请你练一练,翻译:吉姆买了这只钢笔两年了。buy-have,Jimhashadthispenfortwoyears.Jimhashadthispensincetwoyearsago.Jimhashadthispensince2004.ItistwoyearssinceJimboughtthispen.IthasbeentwoyearssinceJimboughtthispen.Jimboughtthispentwoyearsago.,现在完成时和一般过去时的区别,请你练一练,现在完成时所表明的是过去发生的动作对现在的影响,强调的是现在的情况,不可以和表示过去的时间状语yesterday,in1991,threedaysago,lasttime,lastnight等连用.一般过去时表明的是过去发生的事实,和现在不发生关系.,1.Hehashadthemotorbikefortwoyears.Itstwoyears_he_themotorbike.He_themotorbiketwoyearsago.2.He_(go)toAmericatheyearbeforelast.,went,since,bought,bought,5,一试身手,1-Haveyoureadthisbook?-YesI_ittwoweeksagoAisreadingBhavereadCwillreadDread2-Couldyoutellmewhen_?-At10:25,intenminutes.A.thebuswillleaveB.willthebusleaveC.thebushasleftD.thebushadleft3.-_you_(receive)anylettersfromhimrecently?-Notyet.,Have,received,一试身手,4.-Whereisyourfather?-HetoAustraliaonbusiness.A.hasbeenB.hasgoneC.wentD.willgo5.SandyhisoldfriendTomwhenhewascrossingthestreet.A.hadmetB.hasmetC.met6.HaveyouseenBill?Yes,hetothelibrary.A.hasgoneB.hadgoneC.hasbeen7.They_alltheirmoney,sotheyhavetowalkhomenow.A.havespentB.spendC.spentD.arespending,一试身手,8._you_yournewneighbor?Notyetnow.ButIwill.A.Have,visitedB.Do,visitC.Did,visit9.MrLi_England.He_Londonfortwoweeks.A.hasbeento,hasbeento