英语人教版八年级下册unit7 grammar focus.ppt

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1、Unit7Whatsthehighestmountainintheworld?Section A Grammar focus4cNow lets try to translate the sentences below:1.那个篮球运动员有两米高。那个篮球运动员有两米高。2.那条河只有两米深。那条河只有两米深。3.这个教室有五米宽。这个教室有五米宽。4.那条河长两千米。那条河长两千米。Thebasketballplayeristwometerstall.Theriverisonlytwometersdeep.Theclassroomisfivemeterswide.Theriverisabou

2、ttwokilometerslong.5.这座山大约有两千米高。这座山大约有两千米高。6.这个箱子大约有两米高这个箱子大约有两米高/宽宽/长。长。Themountainisabouttwothousandmetershigh.Theboxisabouttwometershigh/wide/long.GrammarFocusKeywords?一一.Adj.&adv.同级比较的构成规则。同级比较的构成规则。二二.肯定肯定/否定否定Adj.&adv.的同级比较的同级比较Adj.&adv.的比较级和最高级的比较级和最高级一一.Adj.&adv.比较级与最高级的构成规则。比较级与最高级的构成规则。1.规

3、则变化规则变化单音节和部分双音节：单音节和部分双音节：a.b.c.d部分双音节和多音节：部分双音节和多音节：a.2.不规则变化：不规则变化：good/well;bad/ill;much/many little/far二二.用法用法1.肯定肯定/否定否定3.特殊：表示特殊：表示“不及不及”2.2.比较级：比较级：key word?key word?比较级的特殊用法：比较级的特殊用法：a.Of the two 结构的比较级结构的比较级b.越来越：越来越：c.越越;越越.d.修饰比较级用？修饰比较级用？3.3.最高级：最高级：a.of/in 的用法的用法b.表示最表示最之一之一c.表示第几最表示第几

4、最比较级和最高级的转换比较级和最高级的转换e.g.Tomisthetalleststudentintheclass.=Tomistallerthananyotherstudentintheclass.=Tomistallerthantheotherstudentsintheclass.anyother+n.单数单数=other+pl.1.Ourfamilyhasboughtacarsowecantravel_thanbefore.（2008陕西）陕西）A.mosteasilyB.lesseasilyC.easilyD.moreeasily2.Myfathertoldmeastorylastni

5、ght.Itis_oneIveeverheard.（2009陕西）陕西）A.thefunniestB.funniestC.funnierD.thefunnierDA3.The_friendsyouhave,the_youwillbe.（2010陕西）陕西）A.more,happyB.many,happyC.more,happierD.many,happier4.Whenheheardacryforhelp,heranoutas_ashecould.（2011陕西）陕西）A.hardlyB.quicklyC.finallyD.slowlyCB倍数表达法：倍数表达法：1.A+be/v+倍数倍数(t

6、wice/threetimes)+as+原级原级+as+BA是是B的几倍大。的几倍大。Eg.我的房间是她的两倍大。我的房间是她的两倍大。Myroomistwiceasbigashers.2.A+be/v+倍数倍数+比较级比较级+than+BA比比B几倍几倍Eg.我的房间比她的房间大我的房间比她的房间大2倍。倍。Myroomistwicebiggerthanhers.A比比B.多少：多少：A+V(谓语谓语)+数字数字+单位单位+比比较级较级+thanB.A比比B高高20cm.Ais20cmtallerthanB.A比比B胖胖15磅。磅。Ais15poundsfatterthanB.A比比B跑得快

7、跑得快10秒。秒。Aruns10secondfasterthanB.longestlongerhighpopularbigoldermuchWrite two comparisons about two topics.Write true facts.Tworivers:_and_4bTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.theYangtzeRivertheAmazonRiverLuzhouC

8、hongqingChongqingisbiggerthanLuzhou.=LuzhouissmallerthanChongqing.Chongqinghasabigger/largerpopulationthanLuzhou.=LuzhouhasasmallerpopulationthanChongqing.4cWritefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1._2._3._4._5._Whatisthehighestbuildinginourcity?Whatisthebusiestsubwaystati

9、oninourcity?Whatisthelargestshoppingmallinourcity?Whichisthebiggestparkinourcity?Whichisthelongestroadinourcity?1.Sheis_than_.A.busier/usB.busier/weC.morebusy/usD.morebusy/we2.Janeis_thanBetty.A.lesstallerB.lesstallestC.lesstallD.notastall3.Chinais_countryintheworld.A.thethirdlargestB.thelargestthir

10、dC.thethirdlargeD.athirdlargestBAA4.Whichis_seasoninBeijing?Ithinkitsautumn.A.goodB.betterC.bestD.thebest5.Whichis_,thesun,themoonortheearth?Themoonis.A.smallB.smallerC.smallestD.thesmallestDD6.IstudyEnglishas_asmybrother.A.hardB.harderC.hardest7.Whichis_,abicycleoracomputer?A.expensiveB.moreexpensiveC.themostexpensive8.TheYellowRiverisoneof_riversinChina.A.longB.longerC.thelongestABC