Unit1ScienceandScientistsDiscoverusefulstructures課件高二英語(yǔ)人教版選擇性

Period2LearningaboutlanguageThePredicativeClausesUnit1ScienceandScientistsLearningAims1.Enablethestudentstomastertheusageofpredicativeinthisunit.2.Enablethestudentstousethepredicativepatternsflexibly.3.Trainthestudentstoapplysomeskillsbydoingtherelevantexercises.語(yǔ)法感知感知以下課文原句，補(bǔ)全方框下的小題1.Onetheorywasthatbadaircausedthedisease.2.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.3.ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.以上3個(gè)句子中的加顏色部分都是從句，這些從句在詞性上相當(dāng)于一個(gè)

，故被稱(chēng)作

從句，而且從句作

，所以又被稱(chēng)作

從句。名詞名詞性表語(yǔ)表語(yǔ)【歸納用法】1.概念：在主從復(fù)合句中，相當(dāng)于名詞的從句被稱(chēng)為名詞性從句。2.分類(lèi)：名詞性從句包括：主語(yǔ)從句、賓語(yǔ)從句、表語(yǔ)從句和同位語(yǔ)從句。3.連接詞項(xiàng)目連接詞意義在句中的功能連詞that無(wú)意義不充當(dāng)成分whether是否不充當(dāng)成分語(yǔ)法精析連接代詞who(ever)(無(wú)論)誰(shuí)主、賓、表whose誰(shuí)的定what(ever)(無(wú)論)什么主、賓、表、定which(ever)(無(wú)論)哪個(gè)主、賓、定連接副詞when(ever)(無(wú)論)何時(shí)時(shí)間狀語(yǔ)where(ver)(無(wú)論)何地地點(diǎn)狀語(yǔ)how(ever)(無(wú)論)怎么方式狀語(yǔ)why為什么原因狀語(yǔ)【觀察例句】

1.(2023·新高考Ⅰ卷)Thekeyfindingofthestudywasthatwhencrowdswerefurtherdividedintosmallergroups,theaveragesfromthesegroupsweremoreaccurate...

這項(xiàng)研究的關(guān)鍵發(fā)現(xiàn)是，當(dāng)人群被進(jìn)一步劃分時(shí)，這些小組的平均值更準(zhǔn)確。2.Thatiswhyhewaslateforclassagain.

那就是他又一次上課遲到的原因?！練w納用法】主語(yǔ)+系動(dòng)詞+引導(dǎo)詞+簡(jiǎn)單句（表語(yǔ)從句）系動(dòng)詞:be,look,remain,seem等。引導(dǎo)詞連接詞：that/whether/asif/asthough連接代詞：who/whose/which/what連接副詞：when/where/why/how定義：在主從復(fù)合句中充當(dāng)表語(yǔ)的從句叫做表語(yǔ)從句。表語(yǔ)從句和主語(yǔ)指同一內(nèi)容，它對(duì)主語(yǔ)進(jìn)行解釋?zhuān)f(shuō)明，使主語(yǔ)的內(nèi)容具體化。表語(yǔ)從句之引導(dǎo)詞【觀察例句】1.(2024·浙江1月高考)Themostobviousadvantageofonlinelearningisthatyoucanstudyanywhereandanytime.

2.(2023·全國(guó)甲卷)Whatwediscoveredisthatit’sunwisetojudgewhatyoueatonlybyitsappearance.3.Thereasonwhyhehastogoisthathismotherisillinbed.4.Myadviceisthatyou(should)practisespeakingEnglishasoftenaspossible.【歸納用法】that在表語(yǔ)從句中既不充當(dāng)成分,又沒(méi)有意義，且不可以省略。在表示“建議，勸說(shuō)，命令”的名詞idea,suggestion,request,proposal等后面的表語(yǔ)從句中，謂語(yǔ)動(dòng)詞用“should+動(dòng)詞原形”，should可以省略。引導(dǎo)詞的用法(that)what

在表語(yǔ)從句中充當(dāng)______________

表示____________________________.1.Thequestionis

whatcausedtheaccident.2.Thatmountainisnolongerwhatitusedtobe.3.Whathetoldyouwaswhat

hadbeendiscussedatthemeeting.主語(yǔ)、表語(yǔ)、賓語(yǔ)什么，什么樣子，或所……的（人或事）引導(dǎo)詞的用法(what)主語(yǔ)表語(yǔ)賓語(yǔ)who在表語(yǔ)從句中充當(dāng)______________表示____.Theproblemiswhocoulddothework.2.Mytroubleiswho(whom)I

canturnto.主語(yǔ)、賓語(yǔ)或表語(yǔ)誰(shuí)

引導(dǎo)詞的用法(who)主語(yǔ)賓語(yǔ)[即學(xué)即練]——用that,who/whom,what填空1.Theproblemis_________wecangettoreplaceher.2.(2024·浙江1月高考)Ifmostoftheircustomersarehappytobuylargerquantities,that’s________they’llpromote.3.Thequestionis_______causedtheaccident.4.Whatgaveyoutheidea______he’dbehere?who/whomwhat

what

thatwhether在表語(yǔ)從句中表

______

,但_______句子的成分。

1.Whatthedoctorreallydoubtsis

whether

mymotherwill

recoverfromtheseriousdiseasesoon.

2.Thequestionis

whether

itisworthdoing.是否引導(dǎo)詞的用法(whether)不充當(dāng)[名師點(diǎn)津]

if不能引導(dǎo)表語(yǔ)從句當(dāng)表語(yǔ)從句中主語(yǔ)、賓語(yǔ)、表語(yǔ)具備，但是還是要表示疑問(wèn)含義，可以判斷句子中缺少狀語(yǔ)，常常用相應(yīng)的特殊疑問(wèn)詞引導(dǎo)，有why表

,when表

,where表

,how表

等。Thisishowhedidit.Thatiswhythebrotherswantedtomakeabet.That’swhywe’vegivenyoutheletter.

引導(dǎo)詞的用法(why/when/where/how)為什么

在…時(shí)候

在哪里

怎么樣[即學(xué)即練]——用whether,when,why,how填空1.That’s_______I

lefo

so

early.2.Theproblemwas__________hecouldcomeontime.3.Thefirsttimewemeteachotherwas_____westudiedinthatschool.4.Thetroubleis_____wecanmastermodernscienceandtechnologyinashorttime.whywhetherwhenhow

【觀察例句】1.Ididn'tphoneher,andthatwaswhyshegotangrywithme.我沒(méi)有給她打電話。那就是她對(duì)我生氣的原因。2.Ididn'tphoneher,andthatwasbecauseIgotangrywithher.我沒(méi)有給她打電話。那是因?yàn)槲疑臍饬??！練w納用法】why和because引導(dǎo)的表語(yǔ)從句的區(qū)別：That'sbecause...意為“那是因?yàn)椤ぁぁぁぁぁ保瑥?qiáng)調(diào)原因；That'swhy...意為“那是······的原因”，強(qiáng)調(diào)結(jié)果。

why與because引導(dǎo)表語(yǔ)從句的區(qū)別1.Thatis

.那就是我想讓你在這兒工作的原因。2.Iwaslateforschoolthismorning.

lastnight.今天早上我上學(xué)遲到了。那是因?yàn)槲易蛲硭锰砹?。whyIwantyoutoworkhereThat'sbecauseIstayeduptoolatePredicativeisused______thelinkverb.behindS+V+PlinkverbPredicative表語(yǔ)AsentencewhichisusedaspredicativeisPredicativeClause(表語(yǔ)從句).①be動(dòng)詞;②感官動(dòng)詞：sound,taste,smell,look,feel;③表示變化的詞：go,get,turn,become.總結(jié)Ⅰ.Fillintheblanks.1.Thereasonforyourmistakeis_______youlackconfidenceinyourself.2.Theproblemis__________theairpollutioncanbecontrolled.3.Idon'tlikeyou.Thatis_________youaresolazy.4.Thatwas____________wecampedlasttime.5.I'dliketostartmyownbusiness---that's_______I'ddoifIhadthemoney.ExercisethatwhetherbecausewherewhatⅡ.補(bǔ)全句子1.Thefactwas

.事實(shí)是他沒(méi)有做真正的努力。2.Thequestionis

.問(wèn)題是這部電影是否值得看。3.Now

shehasknownMillieforyears.現(xiàn)在看起來(lái)好像她認(rèn)識(shí)米莉已有好多年了。4.Myadviceis

asoftenaspossible.我的建議是你盡可能經(jīng)常地練習(xí)說(shuō)英語(yǔ)。5.That’s

.那就是我第一次遇見(jiàn)她的地方。thathedidn'treallytrywhetherthefilmisworthseeingitseemsasthough/ifthatyou(should)practisespeakingEnglishwhereIfirstmetherⅢ.語(yǔ)法填空(用適當(dāng)?shù)倪B接詞填空)

Everyoneknew1.

Wendywasafamouswriter，butnooneknew2.

shecamefromand3.

shewasb