Unit1ScienceandScientistsLearningaboutlanguage課件-高中英語人教版選擇性2

UNIT1SCIENCEANDSCIENTISTSe7d195523061f1c0f0ec610a92cff745ee13794c7b8d98f8E73673273C9E8BE17CC3D63B9B1D6426C348A354AD505654C28F453CD7C8F90EADD06C08281DAED7140E5AAAED5880ECE414DFB6A93B82BE019406867034C3A8500A4827DCF3FBF74A471B736410707E336A01C9ADC9BE02ACCB8DF2121D81636A067B8AE80C6AB6F014154F4E7B7247①

理解:表語從句的結(jié)構(gòu)及意義②

掌握:表語從句的連接詞及使用規(guī)則③

運(yùn)用:表語從句,去表達(dá)自己的想法

LearningAims表語用來描述主語是什么，包括主語的身份，特征和狀態(tài)等。表語接在系動(dòng)詞后面。在復(fù)合句中作表語的從句叫做表語從句。表語從句位于主句的系動(dòng)詞之后，對(duì)主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。表語從句必須用陳述語序。Eg:Thequestioniswhobrokethevase.

主語系動(dòng)詞表語從句Definitionofpredicativeclause連接詞CanyouguessthemeaningofthiswordPneumonoultramicroscopicsilicovolcanoconiosis肺塵病

pneumono-(oflung肺的)，ultra-(toanextremedegree非常)，micro-(small微小的)，scopic-(ofviewingorobserving觀察或注意的)，silico-(ofsilicon硅的)，volcano-(mountainthatreleaseslavaandash火山的)，coni-(ofdust塵土的)，-osis(stateofadisease疾病)NowdoyouthinkitpossibleforyoutoguessthemeaningofthewordItisalungdiseasecausedbyinhalingveryfineashandsanddust.Findthewordsfromthepreviouspageswiththefollowingprefixesorsuffixes.Thenaddtwowordsforeachprefixorsuffix,andexplaintheirmeanings.PrefixWordsPrefixWordsre-

micro-

dis-

trans-

remove,replace,reusediscover,disappear,disablemicroscope,microwave,microphonetransform,transport,transplant1.Howtojudgewhetheritisapredicativeclause主要依據(jù)：系動(dòng)詞后Theproblemisdifficult.Theproblemis

thathecannotspeakEnglish.Sth系動(dòng)詞有哪些？1.狀態(tài)類:be動(dòng)詞;keep,remain,stay,2.感官類:look,feel(摸起來),smell,sound,taste3.變化類:

become,grow,turn,get,go,come4.表像類:seem,appear5.終止類:turnout結(jié)果是,prove證明是2Subordinatingconjunction引導(dǎo)詞1.Onetheorywas______badaircausedthedisease.2.Whatpeoplereallydoubtis__________thedoctorwilldefeattheseriousillness.3.Itseemed_______theworldwerecomingtoanend.4.Whydoesthisappliedscience,whichsavesworkandmakeslifeeasier,bringsuslittlehappinessThatis________wehavenotyetlearntomakesensibleuseofit.that（在從句中不充當(dāng)成分）whether（在從句中不充當(dāng)成分,意為“是否”,表語從句中不能使用“if”）

asif（在從句中不充當(dāng)成分,意為“好像”）表語從句中SVO成分完整表語從句中SVO成分完整表語從句中SVO成分完整because（在從句中不充當(dāng)成分,意為“因?yàn)椤保┍碚Z從句中SP成分完整1）連詞：在從句中不充當(dāng)成分asif/asthough意為“_________________”引導(dǎo)的表語從句常置于系動(dòng)詞look,seem,sound,be,become

等后面。that

____意義，在表語從句中______成分,起______作用，________省略。無不充當(dāng)連接不能連接詞whether起_____作用，意為“_________________”，在句中也不作任何成分（注意：if

______引導(dǎo)表語從句)。連接是否不能似乎，好像because意為“______”引導(dǎo)表語從句強(qiáng)調(diào)原因，注意與why的區(qū)別。因?yàn)?.Thereason

whyheislateforschoolis________hemissedthebus.2.Whywedecidedtoputoffthefootballmatchis________theweatherwastoobad.3Attention1:

引導(dǎo)詞that,because,why的區(qū)別當(dāng)主句的主語是_____________或why引導(dǎo)的__________時(shí)常用______來引導(dǎo)表語從句，而不用because。thereason主語從句thatthatthat1.Ithinkthat’s_____hewassoangry.2.Ithinkitis________youaredoingtoomuch.3.Thereason______hewassolateis_____itwasraininghard.whybecausewhythatThat/This/It+is/was+why+________(原因/結(jié)果)

表示“_________________________”That/This/It+is/was+because+_______(原因/結(jié)果)

表示“________________________”Thereasonwhy…isthat…中why是引導(dǎo)_________，that引導(dǎo)的是_________，表示“___________________”。這/那就是……的原因結(jié)果這/那就是因?yàn)椤蚨ㄕZ從句表語從句……的原因是……①Davidwasinjuredinthetraining._____________hedidn'ttakepartintheOlympicGames.大衛(wèi)在訓(xùn)練中受傷了，那就是他沒有參加奧運(yùn)會(huì)的原因。②Hedidnotseethefilmlastnight._________________hehadtohelphislittlesisterwithherhomework.昨天晚上他沒去看電影。那是因?yàn)樗脦退拿妹米鲎鳂I(yè)。③Thereason____hewasabsentfromthemeeting____________________．他缺席會(huì)議的原因是他病了。Thatwaswhy

Thatwasbecausewhywasthathewasill3Attention2:

表語從句中的虛擬語氣Myproposalisthatwe(should)startearlytomorrow.Myadviceisthatwe(should)gettherebytrain.Mysuggestionisthatwe(should)goandhelphim.1)主語是表示___________________等的名詞時(shí)，表語從句中謂語動(dòng)詞用“should+動(dòng)詞原形”，should可省略建議、命令、要求Darkscloudsaregathering.Itseemsasifitisgoingtorain.Ifeelasifmyheartwereburning.Hefeltasifhehadmetthisyoungladybeforesomewhere.Iamcleaningthehouse.Itlooksasifmygirlfriendwouldcometomorrow.2)asif/asthough引導(dǎo)的表語從句語氣：若表示真實(shí)情況，用正常的陳述語氣。若表示非真實(shí)情況，用虛擬語氣。若跟現(xiàn)在事實(shí)不符：過去式（be動(dòng)詞用were）若跟過去事實(shí)不符：haddone若跟將來事實(shí)不符：would/could/might+動(dòng)詞原形一堅(jiān)持insistence二命令order,command三建議advice,suggestion,proposal,recommendation四要求requirement,request,demand,desire1.

This

is________Iwant.2.

MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.3.

Thevillageis_________Iusedtospendmyholiday4.

Heismyfavoritesinger.

It

is_____________I

reallylovethewayhebehaves.5.Thetrouble

is_______weareshortoffunds.6.Myproblemis________coatissuitableforme7.I‘d

liketostartmyownbusiness-that’s________IwanttodoifIhadthemoney.8.WhatIwanttoknowis______willsupportme.whatwhywherebecausethatwhichwhatwhoReadtheexamplesentence.ChoosethecorrectparaphrasefortheblockofwordsfromAtoEinthesentence.1.Millionsofpeoplesubscribetothisonlinemusicservice.2.JohnSnowsubscribedfirmlytothebeliefthatcholerawascausedbyaninfectionfromgermsinfoodorwater.A.toberesponsibleforB.topaytoreceiveaproductregularlyC.tobeconnectedtoD.toagreewithE.tobelievethatsomething,usuallybad,maybetrueBD3.Therewasnoevidencetosuggestthatthediseasewaslinkedtobadair.4.Thehotweatherispartlytoblameforthewatershortage.5.Ifapersonis

suspectedofaninfection,his/herfamilymembersshouldbeputinquarantine.A.toberesponsibleforB.topaytoreceiveaproductregularlyC.tobeconnectedtoD.toagreewithE.tobelievethatsomething,usuallybad,maybetrueCAEMakephrasesbycombiningthewordsintheleftboxwiththoseontheright.Thencompletethesentencesusingthesephrases.1.Manyscientists_____________theviewthatitishumanactivitythathascausedglobalwarming.2.Hewasto_____________theaccidentbecausehedroveonthewrongsideoftheroad.subscribesuspectblamelinksubscribetoblamefortooffor3.Theman_____________beingbehindtherobberywasseencrossingthestreet.4.Sincehea