Unit 3 Section A（1a-1c）【 知识精讲+提升专练 】 人教版八年级 上册英语 课件

人教版

八年级上册SectionA1a-1c

Unit3I'mmoreoutgoingthanmysister.01RevisionDoyouknowhowtodescribeaperson’slook?lookheighttallshortofmediumheightbuildthinheavyofmediumbuildhairlonghairstraighthaircurlyhairshorthairblondehairblackhairHeis…Heis…Shehas…Doyouknowhowtodescribeaperson’spersonality?outgoingHe\Sheisfunny\…quietkindfriendlyshyfunny2.___→____1.___→___shortfatthintallWritetheoppositewordsaccordingtothepictures.3.__________→________longhairshorthair4._________→_________loudlyquietlyA:Iamshort,butmyfriendBis

tall.B:Iamheavy,butmyfriendAisthin.1aMatcheachwordwithitsopposite.1atallloudlythinshorthairlonghairheavyquietlyshortLet’stalkaboutthedifferencesbetweenthem.Doyouknowhowtocomparepeople?Howmanypairsoftwinscanyoufind?Whoarethey?TaraandTina.TomandSam.PeterandPaul.atwinbandWhataretheydoing?Theyareperformingonthestage.Whataretheaudiencedoing?Theyarewatchingtheshowandtalkingaboutthetwins.1.SamandTom2.TaraandTina3.PaulandPeter123Listenandnumberthepairsoftwinsinthepicture【1-3】.1bTip：Listentokeywords:namesWatchtheflash.Answerthequestions.1.WhatcanSamandTombothdo?A.Singsongs.B.Playtheguitar.C.Playthedrums.2.Ofthethreepairsofthetwins,whichpaircansing?A.TomandSam.B.TaraandTina.C.PeterandPaul.3.Whoisheavier,PeterorPaul?A.Peter.B.Paul.C.Wedon'tknow.√√√Listenagainandfillintheblanks.Conversation1:A:IsthatSamplayingtheguitar?B:No,that'sTom.Samhas

thanTom.

Tom

Samcanplaythedrums.ButSamplaysthem

thanTom.

Conversation2:A:That'sTara,isn'tit?B:No,itisn't.It'sTina.Tinais

thanTara.Andshealsosings

thanTara.Conversation3:A:IsthatPaul?B:No,that'sPeter.Peter's

thanPaul.AndPaul's

thanPeter.longerhairBothandbettertallermoreloudlyheaviershorter更好的（地）；较好的（地）Findoutthesentencesthatareaboutthesimilarity

betweenthetwins.Findoutthesentencesthatareaboutthedifferences

betweenthetwins.1.A+be+形容词比较级+than+B2.A+实义动词+副词比较级+than+B3.A+have/has+形容词比较级+n.+than+B1.Tinaistaller

thanTara.2.Tinaalsosingsmoreloudly

thanTara.3.SamhaslongerhairthanTom.根据圈出的使用比较级的句子，总结出比较级可使用的句型吧！Post-listeningThereare_____pairsoftwins.ThefirstpairareSamandTom.Samhas______hairthanTomandplaysdrums_______thanTom.ThesecondpairareTaraandTina.Tinais______thanTaraandsings_________thanTara.ThethirdpairarePaulandPeter.Peteris________thanPaulandPaulis__________thanPeter.3longerbettertallermoreloudlyheaviershorterWhatarethedifferencesbetweenthem?Let’compare！tallshortererChenHeis__________thanDengZiqi.tallerDengZiqiis__________thanChenHe.shorterlet’senjoyavideo.Whatarethedifferences(差异)betweenthem?Thecatistall.Themouseisshort.tall——shortThecatistaller

thanthemouse.Themouseisshorter

than

thecat.tall（原级）taller（比较级）short（原级）shorter（比较级）形容词heavy——thinThecatisheavier

thanthemouse.Themouseisthinner

thanthecat.heavy（原级）heavier（比较级）thin（原级）thinner（比较级）形容词Thecatisbig.Themouseissmall.Thecatisbigger

thanthemouse.Themouseissmaller

thanthecat.big——smallthan“比”（用于比较级）big（原级）bigger（比较级）small（原级）smaller（比较级）形容词strongThecatisstronger

thanthemouse.strong（原级）stronger（比较级）形容词runfast/quicklyThecatrunsfaster/morequickly

thanthemouse.fast（原级）faster（比较级）副词quickly（原级）morequickly（比较级）YaoMingis_________thanPanChangjiang.LiHuanyingis_________thanherdaughter.Maryspeaks_________thanJane.PanChangjiangis_________thanYaoMing.Janehas__________thanMary.LiHuanying’sdaughteris_________thanLiHuanying.MaryJanetallershorterthinnerheaviermoreloudlylongerhairJanespeaks___________thanMarymorequietlyJanehas__________thanMary.shorterhairCanyoufillintheblanks?(tall/short)(thin/heavy)(long/shorthair)(loudy/quietly)Challengeyourself!talltallershortshorterthinthinnerheavyheavierloudlymorloudlyquietlymorequietly原级比较级英语中比较两者时使用比较级，由形容词或副词的原级变化而来。形容词和副词有三个比较等级，即：1.原级，也就是原形。2.比较级，表示“较……”或“更……”的意思。（用于两者之间比较）3.最高级，表示“最……”的意思。（用于三者或三者以上的比较）bigtallstrongheavierbiggertallerstrongerfasterheavyfast形容词原级形容词比较级副词原级副词比较级形容词或副词比较级的构成(规则变化)：3.重读闭音节词词尾只有一个辅音字母时，先双写辅音字母再+er4.以辅音字母+y结尾的单音节词，变y为i+er2.以不发音的字母e结尾的+r

1.一般在词尾+er

5.多音节词和部分双音节词前加moretall--tallernice--nicerfat--fatterfunny--funnierinteresting–moreinterestingheavy--heavierdifficult–moredifficult原级比较级good/wellbad/badlymany/muchlittlefarbetterworsemorelessfartherfurther形容词或副词比较级的构成(不规则变化)：比较级，要变化,一般词尾加er。(long-longer,tall-taller)词尾若有哑音e,直接加r就可以。(nice-nicer)重读闭音结（尾）、单辅音字母要双写。(hot-hotter,big-bigger,thin-thinner)辅音字母若加y,记得要y变i。(happy-happier,funny-funnier)多音节更容易，词前加more更好记。(outgoing-moreoutgoing)比较级（形容词/副词）的构成口诀写出下列词的比较级形式。

large_________

8.friendly_________2.clever_________

9.many_______3.lazy________

10.careful_________4.few__________

11.hot_______5.dirty________

12.far_______6.wet________

13.interesting_______7.loudly________14.well________largerclevererlazierfewerdirtierwetterfriendliermoremorecarefulhotterfarther/furtherbettermoreinterestingmoreloudly比较级句型Thecatis

bigger

thanthemouse.Themouseis

smaller

thanthecat.Thecatistaller

thanthemouse.Themouseisshorter

thanthecat.Thecatisheavier

thanthemouse.Themouseisthinner

thanthecat.Thecatrunsfaster

thanthemouse.A+谓语动词+形容词/副词的比较级+thanB.2bListenagain.HowareTinaandTaradifferent?Fillintheboxes.Tina…Tara…ismoreoutgoing

thanTara.

worksashardasTina.isfriendlierandfunnierthan

Tara.canrunfasterandjumphigher.issmarter/lazier.getsupearlierthan

Tina.同级比较as+adj./adv.原级+asEg.吉姆和他的哥哥一样努力学习。他们都取得了好成绩。Jimstudiesashardashisbrother.Sotheybothgetgoodgrades.比较级句型Thecatis

bigger

thanthemouse.Themouseis

smaller

thanthecat.Thecatistaller

thanthemouse.Themouseisshorter

thanthecat.Thecatisheavier

thanthemouse.Themouseisthinner

thanthecat.Thecatrunsfaster

thanthemouse.A+谓语动词+形容词/副词的比较级+thanB.A:That’s…,isn’tit?B:Yes/No,it’s…

…is…than…And…plays/sings/…than…A:Ithinkboth…and…

appearanceperformancePairworkLet’scomparethetwins.Challengeyourself!Level1DaleisheavierthanDick.DickisthinnerthanDale.DickDaleLet’scomparethemaccordingtothebuild.Challengeyourself!Level2LilyhaslongerhairthanLucy.Lucyhasshorterhair

thanLily.LilyLucyLily’shairislongerthanLucy’s.Lucy’shairisshorterthanLily’s.HairChallengeyourself!Level3LisaspeaksmoreloudlythanTina.TinaspeaksmorequietlythanLisa.LisaTinaThewayofspeakingloudly大声地；响亮地quietly轻声地;安静地;bothadj.&pron.两个；两个都1)both用作形容词，置于被修饰的名词前。Lookatthethreeonbothsidesofthestreets.2)both用作代词，可单独使用，也可用于bothof...结构。作主语时，谓语动词要用复数形式。BothofmyparentsareChinese.MyparentsarebothChinese.注意：both...and...……和……都；既……又……both...and...通常用来连接两个并列的句子成分，若连接两个并列成分作主语，谓语动词用复数形式。eg:BothAnnandherbrotherlikelisteningtosoftmusic.

Theybothlikelisteningtosoftmusic.【语境应用】完成句子1)她的两本书都丢了。______________booksarelost.2)他们两个都是美国人。_____________________American.3)Molly和Cindy都喜爱这部电影。____________________________________themovie.Bothher

Theyareboth

/Theybothare

BothMollyandCindyenjoyed/MollyandCindybothenjoyed4)她既会唱歌又会跳舞。Shecan_______sing_______dance.5)Mr.Black想要见我们俩。Mr.Blackwantedtosee______________.usbothbothand反意疑问句:是指在陈述句后附加一个简短问句，用于征询肯定或否定的意见，或者希望陈述句所说的内容得到证实。简短问句的主语应为相应的代词（therebe句型除外）。常见形式：①肯定的陈述句+否定的简短问句②否定的陈述句+肯定的简短问句注意：答语应符合事实。事实是肯定的，用yes；事实是否定的，用no。当句式是“前否定，后肯定”的结构时，翻译要以事实为依据，yes译为“不是”；no译为“是的”。—Thereissomeoneintheroom,isn'tthere?房间里有人，不是吗?—Yes,thereis./No,thereisn't.是的，有人。/不。没人。ThisIsASampleText.InsertYourDesiredTextHere.Again.ThisIsADummyText.EnterYourOwnTextHereThisIsASampleText.InsertYourDesiredTextHere.Again.ThisIsADummyText.EnterYourOwnTextHere教学思路ThisIsASampleText.InsertYourDesiredTextHere.Again.ThisIsADummyText.EnterYourOwnTextHere教学思路教学思路ThisIsASampleText.InsertYourDesiredTextHere.Again.ThisIsADummyText.EnterYourOwnTextHere教学思路ThisIsASampleText.InsertYourDesiredTextHere.Again.ThisIsADummyText.EnterYourOwnTextHere教学思路PracticeWritethecomparativeformsofthefollowingwords

1.funny-_______9.high-_______17.tall-_____2.friendly-_______10.lazy-_______18.difficult-____3.outgoing-_______11.big-_______19.easy-_____4.fast-_______12.hot-______20.large-______5.hard-_______13.good/well-_______21.healthy-______6.smart-_______14.many/much-______22.little-______7.early-_______15.popular-________23.few-_______8.hard-working-________16.bad-_____funnierfriendliermoreoutgoingfasterhardersmarterearliermorehard-workinghigherhotterbettermoremorepopularworselazierbiggertallereasierlargermoredifficulthealthierlessfewer用所给词的适当形式填空I’m______________(outgoing)thanmysister.2.Hishairis___________(short)thanSam’s.3.IsTom______________(friendly)thanMike?4.Whichis___________(big),thesunorthemoon?5.Whois___________(ta