2013年八年级上最新人教版新教材Unit3_I'm_more_outgoing_than_my_sister_SectionA课件备课讲稿.ppt

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1、Unit3I’mmoreoutgoingthanmysister.SectionALiuXiangistall.PanChangjiangisshort.LiuXiangistallerthanPanChangjiang.PanChangjiangisshorterthanLiuXiangthan比(conj.连词).两者之间比较，用比较级LiYongismoreoutgoingthanChenglong.ChengLongisoutgoing.LiYongismoreoutgoing.形容词比较级的构成规则1.直接在形容词后加-er。2.以e结尾的形容词直接在其后加-r。tal

2、l—nice—3.以重读闭音节结尾并且末尾只有一个辅音字母，应先双写这个辅音字母再加-er.big—______short—small—shorterlarge—whiterwhite—thin—fatterfat—____Doyouknowsmallerthinnerlargertallernicerbigger形容词比较级的构成规则4.以“辅音字母+y”结尾的，先改“y”为“i”，再加-er。happy—______5.多音节和部分双音节形容词在其前面加more。loudly—heavierheavy—easiereasy—morebeautifulbeautiful—more

3、interestinginteresting——Doyouknowhappiermoreloudlyquietly————morequietly一般单音节词末尾加-er以不发音的-e结尾的单音节词和少数以-le结尾的双音节词只加-r以一个辅音字母结尾的闭音节单音节词,双写结尾的辅音字母,再加-er"以辅音字母+y"结尾的双音节词,yi,再加-er少数以-er,-ow结尾的双音节词未尾加-er其他双音节词和多音节词,在前面加more来构成比较级。构成法tall,shortnice,large,ablebig,thin,fateasy,earlyclever,narrowpopula

4、r,beautiful,difficult原级taller,shorternicer,larger,ablerbigger,thinner,fattereasier,earliercleverer,narrowermorepopular,morebeautiful,moredifficult比较级比较级规则变化Grammarguide不规则变化：good/well–betterbad/badly/ill–worsemany/much–morelittle–lessfar–farther/further比较级句型结构:主语+谓语动词+adj./adv.比较级+than+对比成分Pay

5、attentionto1.用比较级进行比较时，前后用以对比的必须是同类事物。e.g.Myhairislongerthanhers.herhair2.在形容词比较级前还可much,even,alittle来修饰,表示“…的多”,“甚至…”,“…一点”。e.g.Thiscityismuchmorebeautifulthanbefore.She’salittlemoreoutgoingthanme.3.as…as…同级比较,两个“as”之间必须使用形容词或副词原级。意为“如同……一样……”,notas/so…as“不如……一样……”中间必须使用形容词或副词原级4.“比较级＋and＋比较级

6、”意为“越来越……”。多音节比较级用“moreandmore＋形容词原级”形式。如：It’sgettingworseandworse.Ourlifewillbeccomebetterandbetter.用形容词的适当形式填空1.Samhas______(long)hairthanTom.2.Tomis______(calm)thanSam.3.Tinais______(tall)and_____(wild)thanTara.4.Paulis______(short)and__________(heavy)thanPedro.5.I’m_______(funny)thanTara.6

7、.Tarais____________(serious)thanTina.longerwildertallerfunniershorterheaviercalmermoreserious7.DuJiahaois_______________(athletic)thanothersinClass19.8.MrChengis____________(outgoing)thanMissQu.moreathleticmoreoutingtallthinlonghairquie