Unit1ScienceandScientistsDiscoverUsefulStructures表語從句課件高中英語人教版選擇性(2)2

NounClausesPredicativeClauses表語從句Learningobjectives:1.learnthestructureofpredicativeclause.knowhowtojudgethepredicativeclause.mastertheconjunctionsofpredicativeclause.Hisdiarrhea

seemssevere.Thetwopoliciesarecontradictory.Thisisawaterpump.Hisjobistohandletheproblem.Whatdothesentenceshaveincommonintheirstructures?predicative表語是用來說明主語的身份、性質(zhì)、品性和特征和狀態(tài)的，表語常由名詞、代詞、數(shù)詞、動詞過去分詞、動詞的-ing形式、副詞、介詞短語、形容詞、不定式和從句等來充當。Hisdiarrheaseems

severe.Thetwopoliciesare

contradictory.This

is

awaterpump.Hisjob

istohandletheproblem.S+V+PConclusion總結(jié)：思考：表語從句的結(jié)構(gòu)：表語從句的構(gòu)成:表語從句是指在復合句中做________的從句。它位于主句的_______之后，對主語進行解釋說明，使主語的內(nèi)容具體化。表語系動詞+Thatiswhyit’scalledthepresent!引導詞簡單句Howtojudgewhetheritisapredicativeclause?系動詞狀態(tài)類：be感官類：feel/look/sound/taste/smell持續(xù)類：stand/remain/keep/stay變化類：become/get/grow/turn/go/come/run/fall好像類：seem/appear證明類：prove/turnout是...可以接表語從句系動詞有：......起來保持...變得...似乎、好像...結(jié)果是...;證明是...可以接表語從句系動詞有：記憶口訣：妝感正持續(xù)變好是.........起來保持...變得...似乎、好像...表從連詞引導詞___

___在從句中不作成分that/whether/asif,asthough，because無含義/是否/好像/和...一樣___

___在從句中作主語、賓語、表語、定語what,who,whom,which,whatever,whoever,whomever,whicheverwhose___

___在從句中作狀語when,where,how,why表語從句中不用if從屬連詞連接代詞連接副詞II:Connectivewords從屬連詞一、從屬連詞：that&whether

1.Themostimportantthingisthatwefinishthefinaltask.2.Thequestioniswhetherwecanfinishitinsuchashorttime.3.Thereasonwhyhewaslateisthathegotuplate.用法歸納：a.that引導表語從句時，只起______作用，作/不作句子成分，有/沒有意義。（一般要求謂語動詞：think、believe、suppose等）b.whether引導表語從句時，只起______作用，作/不作句子成分，通常翻譯為“______”。注意，引導表語從句時通常不用if。連接√√是否主語是reason時，表語從句不能用because,

只能用that。主語是why引導的主語從句，表語從句不能用because,

只能用that。c.注意這個結(jié)構(gòu)：Thereasonwhy...is

that...連接√特殊用法：用法歸納：表示___________________(advice,suggestion,request,

proposal,demand,order)等名詞后面的表語從句要用虛擬語氣,即謂語動詞用“should

+動詞原形”,should可省略。Myadviceisthatyou(should)thinkitoverbeforeyoumakeadecision.Mysuggestionisthatweall___________(take)anactivepartinthecomingsportsmeeting.建議，要求，命令(should)take1)特定名詞+系動詞＋that+（should）do結(jié)構(gòu)1.Itsoundsasifsomeone___knockingatthedoor.

2.Tomlikestotalkbigasifhe______animportantperson.

(對現(xiàn)在的虛擬，用一般過去時，be動詞用were)3.Heopenshismouthasifhe________saysomething.

(對將來的虛擬，用would/could/might+do)4.HetalkedaboutRomeasifhe___________there.(對過去的虛擬，用haddone)(與事實相符，正常語氣時態(tài))iswerewouldhadbeen辨析3:

asif/asthough

引導從句的虛擬語氣：

若跟現(xiàn)在事實不符：過去式（be動詞用were）

若跟將來事實不符：would/could/might+動詞原形

若跟過去事實不符：haddone

二、從屬連詞：asif/thoughbecause引導的表語從句常見于"This/That/It

is/wasbecause..."句型中e.g.Hewassenttothehospital.That'sbecausehewasill.That'sbecause…強調(diào)

；That'swhy…

強調(diào)

1)Hefailedthemathexam.That’s__________hewastoocareless.2)Hewastoocareless.That’s______hefailedthemathexam.becausewhye.g.Hewas

ill.That'swhyhewassenttothehospital.原因結(jié)果三、從屬連詞：because連接代詞who/whom/whose/which/what等

本身具有詞義。四、連接代詞：連接代詞在表語從句中可充當主語、賓語、表語或定語，?！叭笔裁囱a什么”：根據(jù)從句句意與所缺成分確定連接詞如果句子中缺主語，指人用

，指物用

。如缺賓語，指人用

，指物用

。如缺定語用

或

。①Thisis_______myteacherhastaughtme—honesty.②Theproblemis_______cantaketheplaceofJim.③WhatIwanttoknowis_______wordsarehelpful.whowhatwhomwhosewhatwhichwhatwhowhose連接副詞五.連接副詞:連接副詞在表語從句中充當狀語，可表時間、地點、原因、方式等，不可省。依據(jù)“缺什么補什么”原則確定正確的連詞。如缺時間狀語用

；地點狀語用

。

原因狀語用

；方式狀語用

。whenwherewhyhowwhen/where/why/how等本身具有詞義①

Yourdictionaryisstill_______youputityesterday②

The

question

is

______

he

can

arrive

at

the

hotel.③My

problem

is

_____we

can

finish

such

a

difficult

task

in

three

days.

It's

simply

impossible.④That'swhereIcan’tagreewithyou.

wherewhenhowwhere可表示抽象意義，意為“…的地方，…點”表語從句的引導詞從屬連詞在從句中不作句子成分連接代詞在從句中作主語、賓語、表語、定語連接副詞在從句中作狀語whenwherewhyhowwhat/whateverwhich/whicheverwho/whoeverwhom,whose...that,whetherasif/asthoughbecauseSummarySummary做題步驟：1、分析從句成分，如果缺成分（主賓表），

——what（ever）、who（ever）/whom

注意：whose/which+名詞+主語+賓從謂語動詞2、如果不缺成分，看主句主語和謂語動詞是否是疑問語氣，如果不是——that（肯定事實語氣）

如果是——whether、why、how、when、where3、意思帶入翻譯，是否合適流暢。1.Mybeliefis______________Iwillsucceedbyworkinghard.2.Themostpleasantthingoftherainyseasonis________onecanbeentirelyfreefromdust.3.Theproblemis______________wecanfindthemthere.4.Youcanbe__________youwanttobe.5.Thequestionis____________causedtheaccident.6.Themostimportantthingis____________responsibilityitis.7.Thisis____________Idon'tagreewithyou.8.Thequestionis_______________wecangetintouchwithhim.9.Thatis_________Igotwetthrough.

whetherthatthat【即學即練】使用合適的關(guān)系詞補全句子。whoeverwhatwhosewhywhether/howwhy【高考真題我不怕】1.［安徽］Fromspace,theearthlooksblue.Thisis_________aboutseventy-onepercentofits

surfaceiscoveredbywater.2.［四川］Grandmapointedtothehospitalandsaid,"That’s

__________Iwasborn．"3.［北京］Thebestmomentforthefootballstarwas_________hescoredthewinninggoal.4.[江蘇]

Byboatistheonlywaytogethere,whichis

wearrived.5.[北京]

Thisis

myfatherhastaughtme—toalwaysfacedifficultiesandhopeforthebest.6.[新高考1卷]Theamazingthingaboutthespringis________

thecolderthetemperaturegets,thehotterthespring!becausewherewhenhowwhatthat【語法填空】Thefactis1.

Wendywasafamouswriter，butnooneknew2.

shecamefromandthequestionremained3._________shewasbornin1961.4.

theydidknowwas5.