【课件】Unit+3Discovering+Useful+Structures高一英语人教版（2019）必修第三册

Unit3DiverseCulturesDiscoveringusefulstructuresTheMissionDistrictAlocalmuseum1.Thisdistrictusedtobeapoorareaoftown,but

isnowacentre

forart,music,andfood.2.Arealmixofcultureshere.3.Whentheseimmigrants...,theycarriedabitofhomeintheirhearts,andbuiltanewhomehere.4.Whatacity-acitythatwasabletorebuild…!Unit3DiverseCultures1.Thisdistrictusedtobeapoorareaoftown,but(it)isnowacentreforart,music,andfood.2.(Thereis)arealmixofcultureshere.3.Whentheseimmigrants...,theycarriedabitofhomeintheirhearts,and(they)builtanewhomehere.4.whatacity(itis)!

Zhang:yeah,ifitispossible,Iwanttotasteallofthedeliciousfood.IreallyliketheMexicancornchips,doyouliketheMexicancornchips?Han:Yes,can’twait.lfneeded,IcanbuytheticketstoS.F.assoonaspossible.Li:Metoo,Ireallycannotwaittovisitarecoveringcityonceaterribleearthquakestruck.Thinking:In

youropinion,Whoexpresses

himself/herselfina

better/authentic(地道的)

way,why?①Sorrytohavekeptyouwaiting.②Seenthemoviebefore?(I’m)sorrytohavekeptyouwaiting.(Haveyou)seenthemoviebefore?避免重复,减少累赘Ellipsis2.Addwordswhichhavebeenleftoutandrewritethesentences.1.Whatisellipsis?Ellipsismeansleavingoutwordsratherthanrepeatingthemunnecessarily.GuidingQuestions2’:2.Inwhatkindofsentencewillellipsisbeused?simplesentence(简单句)compoundsentence

(并列句)complexsentence(复合句)省略前提:主谓宾,定状表,如有重复可删掉。省略原则:词语省略后,不致令人费解。一、简单句中的省略1.省略主语祈使句中主语通常省略(You)shutup.Soundslikeagoodidea.(It)soundslikeagoodidea.Shutup.2.省略主谓或主谓语的一部分Gotanyink?3.省略宾语Thisway,please.（Youcome)thisway,please.（Haveyou)gotanyink?--DoyouknowMissGao?--Idon’tknow(her).4、省略表语–Areyouthirsty?--Yes,Iam

---Haveyoufinishedyourwork?---Notyet.(Ihave)Not(finishedmywork)yet.5、同时省略几个成分(thirsty)1.若主语或宾语相同，省略共同的主语或宾语。Tompickedupabookonthefloorand(Tom)handedanotetohisteacher.JackmusthavebeenplayingfootballandMary(musthavebeen)doingherhomework.二、并列句中的省略2.若主语不同，省略后面谓语部分相同的系动词、助动词或情态动词。3.若主语与谓语动词相同，则省略后面的主谓成分。Hisadvicemademehappy,but(hisadvicemade)Jimangry.Hehasaknowledgeoffirstaidbuthisfrienddoesn’t(haveaknowledgeoffirstaid).4.若主语不同，但主要动词及后续部分相同，则省略主要动词及后续部分。复合句中的省略

Whenaskedthequestion,Johnjustkeptsilent.

Whenhewasaskedthequestion,Johnjustkeptsilent.Ifheisfree,Jackwillgowithus.Iffree,Jackwillgowithus.（1）当主、从句的主语一致,从句的谓语动词为be的某种形式时,可省去从句中主语+be部分1.状语从句中的省略状语从句中的省略

Whenconvenient,Iwillvisityou.

Whenitisconvenient,Iwillvisityou.Ifitispossible,pleasegivemeacall.

Ifpossible,pleasegivemeacall.（2）当从句中的主语为it且谓语动词为be的某种形式时,可省去it+be部分③Theydon’tusemorewaterthanitisnecessary.④HerunsasfastasBobruns.⑵在than,as等引导的比较状语从句中可以全部或部分省略。⑤Afterhalfanhour,shebecamequieterthanshehadbeen.(

)(

)(

)找出以下句子当中可以省略的部分。2.定语从句的省略。①Theexactyear(which/that)AngelaandherfamilyspenttogetherinChinawas2008.②Heistheman(whom)theyassumetobeextremelyrich.⑴在限制性定语从句中，作宾语用的关系代词which,that,whom可以省略。(介词+关系代词引导定从时，关系代词不可省略)③ThefirminwhichDickworkedhasgonebankrupt.⑵修饰way的关系词that/inwhich可以省略。④Thewayhespeakstousisreallyannoying.(inwhich)(that)(/)3.宾语从句的省略。①Itrulybelievethatbeautycomesfromwithin.②Hesaidthatthetextwasveryimportantandthatweshouldlearnitbyheart.⑴及物动词后接宾语从句时，连接词that一般可以省略；但如果及物动词接两个或两个以上that引导的宾语从句时，那么只有第一个that可以省略。(从第二个并列的宾从开始that均不能省略。)()()④IknowthatamoviestarwillcometoourcitybutIdon’tknowwhenhewillcometoourcity.⑤Pleasepassmeoneofthesebooks,Idon’tcarewhichyoupassme.⑵when,where,which,how和why引导的宾语从句有时可以仅保留引导词。(

)(

)找出以下句子当中可以省略的部分。不定式的省略1.作宾语的不定式短语，省略时只保留to，但如不定式to后是be或完成式，则须保留be/have:–Willyoucometothepartythisevening?

--I’dliketo.(2)Hedidn’tgivemethechance,thoughhehadpromisedto.(3)–Areyouanengineer?--No,butIwant(4)–Hehasn’tfinishedthetaskyet.--Well,heoughttobe.(givemethechance).tohave.(cometothepartythisevening).常见的动词有agree,afford,expect,forget,hope,know,manage,pretend,remember,refuse,want,wish,wouldlike等。四、其他省略情况不定式的省略2、使役动词及感官动词后面作宾语补足语的不定式一定要省去to,但在被动语态中须将to复原。InoticedamanentertheclassroomwhenIpassedby.AmanwasnoticedtoentertheclassroomwhenIpassedby.(被动语态)

but、except作介词，后接动词不定式

3、

前有do,后无to；前无do，后有to（有do无to）Theboydidnothingbutplay.Themothercoulddonothingbutwaitforthedoctortocome.Hehadnochoicebuttowait.Allwecandonowis(to)wait.Theonlythingyouhavetodois(to)pressthebutton.2.使用so,not等时的省略注意：so常用于替代______形式的从句，而not常用来替代______形式的从句。常见的动词有：think/believe/suppose/expect/imagine/guess/hope/fear；say/speak/do；I’mafraid等。so也可用于疑问表达的省略，如：(1)–Ishecomingbacktonight?--Ithinkso.(2)–Shemustbebusynow.--Ifso,shecan’tgowithus.(3)–Isshefeelingbetter?--I’mafraidnot.肯定否定Howso?Whyso?Whynot?Isthatso?3.介词的省略。一些与动词、名词或形容词搭配的介词常常可以省略。常见的结构有:①havedifficulty/trouble(in)doingsth②bebusy(in)doingsth③spendsometime(in)doingsth④stop/preventsb(from)doingsth⑤Thereisnosense/point(in)doingsth⑥It’s(of)nousedoingsth课堂小结1.YoumeanyouareplanningatripacrosstheAtlanticforaholiday?Itsoundslikeagoodidea.2.Hetriedtosolvehisfinancialproblems,buthecouldn'tsolvetheproblems.3.Ifitisnecessary,I'llfinishmyreportonAmericanpoetryassoonasitispossible.4.Areyougoingtodresslikethat?Wearingadressmightbebetterthanwearingjeansandboots.5.Somewildmushroomsarepoisonousandsomearenotpoisonous.6.Ireallylikethatpaperfoldingbook,andmysonlikesthatpaperfoldingbook,too.P30

2Rewritethesentencesbytakingouttheunnecessaryparts.Readtheconversation.Findoutwhichwordshavebeenleftout.P303Justin:Linlin,I'mgoingtoGuizhouProvincenextmonth.I'msuperexcited!Anyrecommendationsforplacestovisit?Linlin:Wow,cool!Guizhouisaprovincewithalotofculturaldiversity.Placestovisit…well,definitelytheHuangguoshuWaterfallfirst.Justin:What'sspecialaboutthewaterfall?Linlin:Well,haveyoueverheardoftheChinesenovelJourneytotheWest?Justin:Yes,Ihave.Why?Linlin:Inthebackofthewaterfall,youwillfindacave,whichisthehomeoftheMonkeyKing.Justin:Really?Cool!I'lldefinitelycheckitout.Linlin:AndIstronglyrecommendtheethnicminorityvillages.You'llfindChinesecultureismuchmorediversethanyouthought.Justin:Soundsgreat,thanks!Justin:Linlin,I'mgoingtoGuizhouProvincenextmonth.I'msuperexcited!DoyouhaveanyrecommendationsforplacestovisitinGuizhouProvince?Linlin:Wow,that'scool!Guizhouisaprovincewithalotofculturaldiversity.WhataresomeplacestovisitinGuizhou?Well,definitelytheHuangguoshuWaterfallisthefirstplacetovisit

inGuizhouProvince.Justin:What'sspecialaboutthewaterfall?Linlin:Well,haveyoueverheardoftheChinesenovelJourneytotheWest?Justin:Yes,IhaveheardoftheChinesenovelJourneytotheWest.WhydoyouaskifIhaveheardoftheChinesenovelJourneytotheWest?Linlin:InthebackoftheHuangguoshuwaterfall,youwillfindacave,whichisthehomeoftheMonkeyKingfromJourneytotheWest.Justin:That's

reallytrue?It'scool!I'lldefinitelycheckitout.Linlin:AndIstronglyrecommendtheethnicminorityvillagesonyourtriptoGuizhouProvince.You'llfindChinesecultureismuchmorediversethanyouthoughtitwas.Justin:Thisall

Soundsgreat.Thanks!Practice找出下列句子中可以省略的部分Theburnthatshegotfromtheironwasredand