人教版2023 必修 第三册 Unit 3 Diverse Cultures Discovering Useful Structures课件(共36张PPT)

第第页人教版（2023）必修第三册Unit3DiverseCulturesDiscoveringUsefulStructures课件(共36张PPT)(共36张PPT)

Unit3DiverseCultures

Discoveringusefulstructures

1.TounderstandtheuseofellipsisinEnglish

2.Toapplywhatwelearninthisperiodtoexercises

Learningaims1’:

省略(Ellipsis)

【情境探究】

Lead-in1’:

1.Lookatthefollowingsentences,andsaywhichoneisbetterwhy

Mikesaidthathewouldcometoschooltoseemethenextday,buthedidn’tcometoschooltoseemethenextday.

Mikesaidthathewouldcometoschooltoseemethenextday,buthedidn’t.

避免重复,减少累赘

Ellipsis

①Sorrytohavekeptyouwaiting.

②Seenthemoviebefore

(I’m)sorrytohavekeptyouwaiting.

(Haveyou)seenthemoviebefore

连接紧密，结构紧凑

强调重点，突出信息

2.Addwordswhichhavebeenleftoutandrewritethesentences.

③Johnwasthewinnerin1994andBobin1998.

④--Whatdidyoudoyesterday

--Justslept.Nothingelse.

Johnwasthewinnerin1994andBob(wasthewinner)in1998.

--(I)justslept.(Idid)nothingelse.

定义

为了使语言简洁或避免重复,省略句子中的一个或几个句子成分,这种语法现象称为省略。按照省略的部分可分为句子成分的省略和词的省略。

结合上面的对话完成句子

1.While_______(iron)clothes,MissGoodaccidentally

touchedtheiron.

2.Removeclothingusingscissors__________(如果有

必要的话)unlessitisstucktotheburn.

ironing

ifnecessary

GuidingQuestions

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.

点拨精讲:

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.

Yes,Iam(thirsty).

1.若主语或宾语相同，省略共同的主语或宾语。

Tompickedupabookonthefloorand(Tom)handedittohisteacher.

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。

1.状语从句的省略。

①Woodgivesoffmuchsmokewhileburning.

三、复合句中的省略

while(itis)burning.

②Wheneverpossible,theywouldstophimandaskhimthethreequestions.

Whenever(itis)possible,

⑴在when,while,if,asif,though,although,as,until,once,whether,unless,whenever等连接的状语从句中，当从句主语与主句主语相同且谓语中含有系动词be或从句的主语为it时，则从句主语和be动词常被省略。

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)AngelaandherfamilyspenttogetherinChinawas2023.

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。（但whom,which紧跟在介词后时不能省略）。

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。

()

()

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。

1.动词不定式的省略。

①Youcan’tforcehimtoanswerthequestionifhe’snotreadytoanswerthequestion.

四、其他省略情况

⑴当不定式在形容词afraid,anxious,eager,glad,happy,ready,willing等后作状语时，to后的内容常省略。

()

①WeoftenhearhersinganEnglishsongintheclassroom.

②SheisoftenheardtosinganEnglishsongintheclassroom.

⑵使役动词，如make,let,have等和感官动词，如see,watch,notice,observe,hear等后面作宾补的不定式须省略to，但若这些动词用于被动语态，则to不省略。

(被动语态)

①Helikestoswimmorethan(to)skate.

②Hebelievesitimportanttostudyratherthantomakefriends.

⑶并列的不定式可以省略后面的不定式符号to。但若两个不定式之间表示对比关系时，则不能省略to。

(比较)

①

②

⑷当不定式在某些动词后作宾语时，常可省略。常见的动词有agree,afford,expect,forget,hope,know,manage,pretend,remember,refuse,want,wish,wouldlike等。

--Willyougowithme

--Well,I’dliketo(gowithyou).

--Haveyoueverbeentotheseaside

--No,wecan’taffordto(gototheseaside).

①Allhecoulddowasnothingbutwaitandsee.

②Wehadnoalternativebuttowait.

⑸介词but,except前有实义动词do的某种形式时，后面的不定式不带to。

①Theydidn’tvisittheirparentsasmuchastheyoughttovisittheirparents.

⑹当不定式在begoingto,beableto,haveto,oughtto,usedto后作复合谓语时，不定式可省略。

()

②Hedidn’tcome,butheoughttohave.

③--Areyouafarmer

--No,butIusedtobe.

(come)

(afarmer)

Attention：省略的不定式内容若含有作助动词用的have或be的任何形式时，to后要保留原形的have或be。

补全以下句子当中可以省略的部分。

2.使用so,not等时的省略。

在英语中，可以用so,not或其他方式来省略上文或问句中的一部分或整个句子。

--Canyoufinishyourworktoday

--(我认为能。)

--(我认为不能。)

Ithinkso.

Idon’tthinkso./Ithinknot

Attention：hope,guess,beafraid的否定形式只能用not的形式，不能用not…so的形式。

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)doingsth

②bebusy(in)doingsth

③spendsometime(in)doingsth

④stop/preventsb(from)doingsth

⑤Thereisnosense/point(in)doingsth

课堂小结2’:

Findthesentencesinactivity1inthisunit

anddiscussthefollowingquestionsinpairs.

①Whyuseellipsisinsentences

②Whatsentenceelementsareomitted

TheyareMexican

Ilovenachos,too

it’sthefoodofmanydifferent

cultures,andtheyareallinonedish

Thereisarealmixofcultureshere!

Can'twaittogothere！

Clearmeaninginthecontext,avoidrepetition,makethestructuremorecompact,makethefocusmoreprominent.

Subject,predicate,object.

Rewritethesesentencesandtakeoutthe

unnecessaryparts.

1YoumeanyouareplanningatripacrosstheAtlanticforaholidayItsoundslikeagoodidea.

2Hetriedtosolvehisfinancialproblems,butcouldn'tsolvetheproblems.

3Ifitisnecessary,I'llfinishmyreportonAmericanpoetryassoonasitispossible.

4AreyougoingtodresslikethatWearingadressmightbebetterthanwearingjeansandboots.

5Somewildmushroomsarepoisonousandsomearenotpoisonous.

6Ireallylikethatpaperfoldingbookandmysonlikethatpaperfoldingbook,too.

Rewritethefollowingsentenceswithellipsisstructure.

①WhenhewasinAmerica，hemademanyfriendswithstudentsfromdifferentcountries.

→_______________，hemademanyfriendswithstudentsfromdifferentcountries.

②Hewon’tattendthepartyevenifheisinvited.

→Hewon’tattendtheparty_____________．

③Mistakes，ifthereareany，shouldbecorrected.

→Mistakes，_______，shouldbecorrected.

WheninAmerica

evenifinvited

ifany

Rewritethefollowingsentenceswithellipsisstructure.

④—Shallwehaveatesttomorrow

—Ihopewewon’thaveatesttomorrow.

→—Shallwehaveatesttomorrow

—__________．

⑤Thebookthatheborrowedyesterdayiswellworthreading.

→_____________________________iswellworthreading.

Ihopenot

Thebookheborrowedyesterday

1.Everyeveningafterdinner,ifnot___fromwork,Iwillspendsometimewalkingmydog.

A.beingtiredB.tiring

C.tiredD.tobetired

2.YouandIcouldhardlyworktogether,____

A.couldyouB.couldn’tI

C.couldn’tweD.couldwe

当堂检测10’:

3.Distinguishedguestsandfriends,welcome

toourschool.____theceremonyofthe50thAnniversarythismorningareouralumni（校友）fromhomeandabroad.

A.AttendB