【课件】Unit2Discoverusefulstructures课件高中英语人教版（2019）选择性必修第二册

新人教版选择性必修二Unit2DiscoverusefulstructuresReviewofnounclauses目录CONENTS010203名词性从句定义名词性从句分类名词性从句易错点01名词性从句定义在复合句中起名词作用的从句叫名词性从句(NounClauses)。名词性从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语等。02名词性从句分类根据名词性从句在句中充当的不同成分，可以把名词性从句分为主语从句、宾语从句、表语从句和同位语从句。1.___________

hewillsucceediscertain.2.___________hewillgothereisstillamystery.3.___________hesaidisnottrue.4.___________hehidthemoneyistobefoundout.5.___________willbechosenournewmonitorisstillunknown.1.SubjectClause

主语从句ThatWhetherWhatWhere/When/HowWho为避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语。Ithasnotbeendecidedyetwhenthey'llstarttheproject.Whenthey'llstarttheproject

hasnotbeendecidedyet.①It'slikely/possible/necessary/clear…that②It'ssaid/reported…that据说/据报道……③It'snowonder/nosurprise/apity/afact/acommonsaying(俗话说)that…It作形式主语的常见句型:1.他有可能今天下午会来。It'slikelythathewillcomethisafternoon.2.已经决定会议会被推迟到下星期。Ithasbeendecidedthatthemeetingwillbeputoffuntilnextweek.3.真可惜我们不能去看那场电影。It'sapitythatwecan'tseethefilm.翻译:1.Theyknow_________thehabitwillkillthem.2.Idon'tknow__________theyaresaying.3.Italldependson__________theywillsupportus.4.Heasked______________Ipaidfortheviolin.5.Hemadeitcleartothepublic_________hedidanimportantjob.2.ObjectClause宾语从句thatwhetherhowmuchthatwhat1.Whether和if都可以引导宾语从句，但是当whether后紧跟ornot时,不用if；介词后面的宾语从句也不能用if.Wehaven'tsettledthequestionof____itisnecessaryforhimtostudyabroad.A.ifB.whereC.whetherD.that

C2.在主+谓+it(形式宾语)+宾补+that从句(真正宾语)的句型中,that不省略Wemustmakeitclearthatwemeanwhatwesay.3.由连词and连接的两个由that引导的宾语从句中,第一个that可省略,第二个that不省略。Hetoldme(that)hewouldcomeandthathewouldcomeontime.1.Ihate

itwhenpeopletalkwiththeirmouthsfull.2.Ilike

itinautumnwhentheweatherisclearandbright.3.Ican'thelpitifyoudon’tlisten.4.I'llappreciateitifyougivemeahand.5.Don'ttakeitforgrantedthateveryoneshouldhelpyou.6.Pleaseseetoitthatyoucloseallthewindowsbeforeyouleave.4.宾语从句必背经典句型:3.PredicativeClause表语从句1.Thequestionis___________wecanrelyonhim.2.That's___________ourproblemlies.3.Helooked___________hewasgoingtocry.4.That's___________Iwaslate.5.Tomorrowis__________itwouldbemostconvenient.whetherwhereasifwhywhen4.Appositiveclause同位语从句常见的接同位语从句的名词有：连接词通常是that,也可根据含义选用

同位语从句在句中充当同位语，其一般跟在一些抽象名词后面，对名词作进一步解释说明。fact,idea,

news,order,belief,suggestion,advice,information等whether,what,when,where,how等来引导同位语从句。1.Ihavenoidea_________hecomesfrom.2.Hecan'tanswerthequestion_________hegotthemoney.

3.Hegaveusmanysuggestions_________weshouldgetupearlierandtakemoreexercise.

4.Ihavenodoubt_________hewillwin.

5.Ihavesomedoubt__________hewillwin.that/whether/where/howwherehowthatthatwhether03名词性从句易错点1.名词性从句的语序:陈述语序你能告诉我他住在什么地方吗？

他是怎么成功的仍然是个谜。Couldyoutellmewherehelives?

Couldyoutellmewheredoeshelive?√√Howwashesuccessfulisstillapuzzle.Howhewassuccessfulisstillapuzzle.2.that和what的区别that和what都可引导名词性从句。what除起连接作用外，还在名词性从句中充当主语、宾语、或表语;that在名词性从句中不充当任何成分，只起连接作用。that/what1._________hewantsisabook.2._________hewantstogothereisobvious.

3.Theresultis_________wewonthegame.

4.Thisis________wewanttoknow.

5.Is________hetoldustrue?

6.Weshouldpayattentionto_________theteacherissaying.

7.Ihavenodoubt________hewillcome.

8.Ihavenoidea________hedidthatafternoon.WhatThatthatwhatwhatwhatthatwhat3.Whether和if的区别不能使用if的情况：a.主语从句b.表语从句c.同位语从句e.介词后的宾语从句f.不定式前用whether即whethertodog.whetherornot连在一起引导宾语从句时不用if.if/whether1.Iaskedher______________shehadabike.

2.____________wewillholdapartyintheopenairtomorrowdependsontheweather.

3.We'reworriedabout____________heissafe.

4.Idon'tknow_________________hewillcome.

5.Idon'tknow____________ornotheiswell.

6.Thequestionis____________heshoulddoit.

7.Thedoctorcanhardlyanswerthequestion________theoldmanwillrecoversoon.

8.Idon'tknow___________togo.if/whetherWhetherwhetherwhether/ifwhetherwhetherwhetherwhether4.引导词that的省略that可省略的情况：a.主语从句

b.表语从句

c.同位语从句

d.用it做形式宾语的宾语从句

e.并列的宾语从句中的后几个从句的引导词that不能省略单个宾语从句中的that可省略;and连接两个宾语从句时，第一个宾语从句中的that可省略。that不可省略的情况：that/(that)1.Idon'tthink_______sheiscoming.

2.Itisapity_______hehasmadesuchamistake.

3.Thereasonis_______heiscareless.

4.Thenews_______