Unit1ScienceandScientistsDiscoveringUsefulStructures课件-高中英语人教版选择性

名词性从句---表语从句分析第一大变身：whether+陈述句=名词（A）第三大变身特殊疑问句的陈述语序=名词(A)第二大变身：that＋陈述句＝名词 (A)一：表语从句的概念造句：他的新建议是在会议上被提出来的是一个事实。我知道他的新建议是在会议上被提出来的。我的观点是他的新建议是在会议上被提出来的名词性从句中的表语从句：在句中充当表语的从句(即放在系动词后面)叫做表语从句。第一大变身：

that+陈述句=名词（A）二：表语从句运用1.他患了癌症是个事实。

我知道他患了癌症。

诊断结果是他患了癌症。（thediagnosis）

小试牛刀：1.Themostimportantthingis______wemustactimmediatelytosavetheenvironment.2.Hersuggestionseems______allteammembersshouldshareequalresponsibilities.3.Theonlyproblemremains______westilllackenoughfinancialsupport.4.WhattheCEOannouncedwas______thecompanywouldlaunchanewproductlinenextmonth.5.Whatsurprisedeveryoneproved______theyoungestcandidatehadwonthecompetition.6.Myfinalconclusionappears______artificialintelligencewillreshapefutureindustries.1.that2.that3.that4.that5.that6.that第二大变身：

whether+陈述句=名词（A）2.他能否在中国定居下来还不确定。

我想知道他能否在中国定居下来。

问题是他能否在中国定居下来。小试牛刀：1.Thekeyissueis__________theweatherwillpermitustoholdtheoutdoorconcertasplanned.2.Hermainconcernremained__________shehadmadetherightcareerchoiceornot.3.Whatweneedtodeterminefirstis__________thisancientmanuscriptcontainsanyvaluablehistoricalclues.4.Thesuccessoftheprojectdependson__________theinvestorsarewillingtotaketherisk.5.Therealquestionis__________thenewpolicywillbenefitthemajorityorharmspecificgroups.6.Thecentraldiscussionpointbecame__________socialmediaplatformsshouldbeallowedtocollectusers'biometricdata.1.whether第三大变身：

特殊疑问句的陈述语序=名词(A)3.谁去把这些数字加起来还没有决定下来。问题是谁去把这些数字加起来。我不知道谁去把这些数字加起来。4.他什么时候在中国定居是个谜。

疑惑是他什么时候在中国定居的。

我不知道他什么时候在中国定居的小试牛刀：1.Themysteryis______theancientcivilizationdisappearedwithoutleavinganywrittenrecords.(why)

2.Hermainconcernis______shewillcompletetheprojectbeforethedeadline.(how)

3.Thequestionremains______discoveredthehiddentreasurecenturiesago.(who)4.Whattheteacherwantstoknowis______thestudentsfoundtheexperimentsodifficult.(why)

5.Theproblemis______responsibilityitistocleanthelabafterclass.(whose)

三：表语从句中的特殊问题1.thereasonisthat…2.It/This/Thatisbecause…3.It/This/Thatiswhy…表语从句中的三个句型原因是…这是因为…这就是…的原因because/whyHegotuplateandthatwas____hewaspunished.hewaspunishedandthatwas________hegotuplate.becausewhy结果原因1.thereasonisthat…2.It/This/Thatisbecause…3.It/This/Thatiswhy…1)Thereason___Ihavetogois___mymotherisillinbed.2)Thereason___shegivesfornotcomingtothepartyis___hermotherwon’tlether.3)Hegotuplateandthatwas____hewaspunished.4)hewaspunishedandthatwas________hegotuplate.

whythatthatthatwhybecause综合练习：1.Thetruthis______hedidn’treceivethemessageontime.

(that)2.Herdoubtis______theplanwillworkundersuchcircumstances.(whether)

3.Itlooks______it’sgoingtorainsoon.

(asif)4.Theproblemremains______wecanfindenoughvolunteersfortheevent.(how)5.Myquestionis______willberesponsiblefortheproject.(who)

6.Themysteryis______theancientmanuscriptwashiddenforcenturies.

(why)

7.Hissuggestionwas______westartthemeetingearlier.(that)8.Thekeyissueis______weshouldp