英语人教版八年级下册unit7 grammar focus.ppt

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1、Unit7What'sthehighestmountainintheworld?SectionAGrammarfocus~4cNowlet’strytotranslatethesentencesbelow:那个篮球运动员有两米高。那条河只有两米深。这个教室有五米宽。那条河长两千米。Thebasketballplayeristwometerstall.Theriverisonlytwometersdeep.Theclassroomisfivemeterswide.Theriverisabouttwokilome

2、terslong.5.这座山大约有两千米高。6.这个箱子大约有两米高/宽/长。Themountainisabouttwothousandmetershigh.Theboxisabouttwometershigh/wide/long.GrammarFocusKeywords?一.Adj.&adv.同级比较的构成规则。二.肯定/否定Adj.&adv.的同级比较Adj.&adv.的比较级和最高级Adj.&adv.比较级与最高级的构成规则。规则变化单音节和部分双音节：a.b.c.d部分双音节和多音节：a.2.不规则变

3、化：good/well;bad/ill;much/manylittle/far二.用法1.肯定/否定3.特殊：表示“不及”2.比较级：keyword?比较级的特殊用法：Ofthetwo结构的比较级越来越：越…;越….修饰比较级用？3.最高级：of/in的用法表示最…之一表示第几最…比较级和最高级的转换e.g.Tomisthetalleststudentintheclass.=Tomistallerthananyotherstudentintheclass.=Tomistallerthantheotherstu

4、dentsintheclass.anyother+n.单数=other+pl.1.Ourfamilyhasboughtacarsowecantravel_____thanbefore.（2008陕西）mosteasily  B.lesseasilyC.easily  D.moreeasily2.Myfathertoldmeastorylastnight.Itis____oneI’veeverheard.（2009陕西）thefunniest  B.funniestC.funnier  D.thefunnier

5、学以致用DA3.The_____friendsyouhave,the____youwillbe.（2010陕西）A.more,happy  B.many,happyC.more,happier  D.many,happier4.Whenheheardacryforhelp,heranoutas_______ashecould.（2011陕西）hardly    B.quicklyC.finally    D.slowlyCB倍数表达法：1.A+be/v+倍数(twice/threetimes…)+as+原级+

6、as+BA是B的几倍大。Eg.我的房间是她的两倍大。Myroomistwiceasbigashers.2.A+be/v+倍数+比较级+than+BA比B…几倍Eg.我的房间比她的房间大2倍。Myroomistwicebiggerthanhers.A比B...多少：A+V(谓语)+数字+单位+比较级+thanB.A比B高20cm.Ais20cmtallerthanB.A比B胖15磅。Ais15poundsfatterthanB.A比B跑得快10秒。Aruns10secondfasterthanB.longest

7、longerhighpopularbigoldermuchWritetwocomparisonsabouttwotopics.Writetruefacts.Tworivers:_________________and_____________________________________________________________________________________________________________________________________________________

8、______________________________________e.g.4bTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.theYangtzeRivertheAmazonRiverLuzhouC