高中三年级英语选修6第一课时课件.ppt

名词性从句 熟读深思 1 主语从句定义 主语从句就是指在另一个句子中充当主语的句子 它由连接词that whether及特殊疑问词连接 1 Whathewillcomeheretoseeusiscertain 改错 What That 2 Ifheisfreenowisuncertain 改错 If Whether 3 Itdoesn tmatterhowhecanattendourmeeting 改错 how whether if 熟读深思 4 That2008BeijingOlympicGamesaresuccessfulisknowntoall 5 It simportantthatyoushouldfinishyourworkontime 6 Itishissuggestionthathisson should stayathomeatweekends 7 Itissuggestedthatweshouldmakegooduseoftime 归纳总结 1 连词的选用 规则1 that连接从句时 从句为一个句意完整 语气确定的陈述句 而that没有具体意思 不充当句子成分 只是起标志性的作用 但that不能省略 如 1 规则2 whether连接从句时 从句的句意完整 但是语气不肯定 表示怀疑 它来源于一般疑问句 whether不能省略 意为 是否 在句首时不能用if替换 如 2 3 归纳总结 规则3 特殊疑问词连接从句时 特殊疑问词用来表示询问某种情况 它来源于特殊疑问句 特殊疑问词不能省略 在从句中充当句子成分 2 语序 主语从句要用陈述句语序 即主谓语序 3 时态 主句时态为过去时 从句时态为过去的某一时态 主句时态为现在时或将来时 从句时态视具体情况而定 特别提醒 双重疑问句中 主句用疑问语序 而宾语从句总是用陈述语序 即 主谓语序 如 5 注意 What swrong withsb sth What sthematter withsb sth Whathashappened 以上句子中 特殊疑问词就是句子的主语 所以在宾语从句中的语序无需变化 归纳总结 表语从句 熟读深思 3 表语从句定义 在另一个句子中充当表语的句子被称为表语从句 MydreamisIwillhavemyowncompany 改错 is I that 2 Theproblemisifwecangetthereontime 改错 if whether 归纳总结 2 语序表语从句要用陈述句语序 即主谓语序 3 时态主句时态为过去时 从句时态为过去的某一时态 主句时态为现在时或将来时 从句时态视具体情况而定 表语从句是在复合句中作表语的名词性从句 放在系动词之后 一般结构是 主语 系动词 表语从句 可以接表语从句的系动词有 1 be being been am is are was were 2 feel seem look appear sound taste smell3 stand lie remain keep stay4 become get grow turn go come run fall5 prove turnout 系动词的固定搭配 cometrue fallasleep fallill gobad comeright runwild 归纳总结 4 常见的句型 1 Itlooks seemsasif 好像 仿佛 2 Thisisbecause 这是因为 3 Thereasonwhy isthat 的原因是 4 Thatiswhy 那是因为 5 Thequestion problemiswhether when where 问题是 6 Hisdream suggestion aim purposeisthat 他的梦想 建议 目标 目的是 because why引导的表语从句 That sbecausehedidn tunderstandme That sbecause 强调原因 That swhyhedidn tunderstandme That swhy 强调结果 填空 Thereasonwhywedidn ttrusthimis hehasoftenlied reason做主语时 表语从句只能用that引导 不能用why引导 句型结构为 Thereason why for is wasthat Thereasonisthat why 名词主语 be that引起的表语从句 在这种句型中 常用表示事实 真理的名词 或表示看法 观点的名词 如 fact truth idea opinion belief view feeling suggestion plan等作主语 如 1 Thefactisthatourteamhaswonthegame 2 Thetruthisthatshewastheverypersonwhoinformedagainstherhusband 3 Myopinionisthatweshoulddiscussitwiththem Mysuggestionisthatwe should startearlytomorrow Theirplanisthattheyshouldbuildanewfactoryintheirhometown Thedemandisthatthecomposition should bewrittenononesideonly Myideaisthatwe should getmorepeopletoattendtheconference 使用虚拟语气的表语从句在表示建议 劝告 命令 请求 要求含义的名词后的表语从句 谓语动词需用 should 动词原形 表示 should可省略 常见的词有 advice suggestion order proposal request plan idea等 如 注意 在asif asthough等引导表语从句中 表示与事实相一致时 要用陈述语气 如 Itlooksasifwe llbelate 看起来我们似乎要迟到了 Thismeattastesasifithasalreadygonebad 这肉吃起来似乎已经坏了 1 That s thePartycalledonustodo A whyB whatC howD that2 Thereasonis heisunabletooperatethemachine A becauseB whyC thatD Whether3 Thatis theyseparated A thatB whatC whichD where4 Janeisnolonger shewasfouryearsago A whatB whichC thatD when 5 Thereason Ihavetogois mymotherisillinbed A why whyB why becauseC why thatD that because6 Airistous wateristofish A isthatB whatC whichD that 7 Dad canyougivemesomeadvice Whynottryyourluckdowntown Bob That s thebestjobsare A whereB whatC whenD why8 Areyoustillthinkingaboutyesterday sgame Oh that s A whatmakesmefeelexcitedB whateverIfeelexcitedaboutC howIfeelaboutitD whenIfeelexcited 9 Youaresayingthatourteacherstreateveryoneequally andthisis Idisagree A howB whatC whereD why10 Thatis mygrandfatherwasbornandgrewup A thereB inwhichC whereD theplace 11 IdrovetoZhuhaifortheairshowlastweek Isthat youhadafewdaysoff whyB whenC whatD where12 shecouldn tunderstandwas fewerandfewerstudentsshowedinterestinherlessons A That whatB What whyC What becauseD Why that13 Whatthedoctorsreallydoubtis mymotherwillrecoverfromtheseriousdiseasesoon A whenB howC whetherD why 14 Oneadvantageofplayingtheguitaris itcangiveyouagreatdealofpleasure 06上海 A howB whyC thatD when 同位语从句 熟读深思 4 同位语从句定义 解释说明另一个句子中某一个抽象名词的句子叫同位语从句 常见的抽象名词有 news fact idea suggestion promise word等 1 Hissuggestionwhatwebetherewaitingforthemisreasonable 改错 what that 2 Heaskedherthequestioniftheycanbefriends 改错 if whether 3 Hedidn tanswerthequestionwhenwewouldgotothemuseum 4 Heshowedushiswayhowheworkedoutthatproblem e g 1 Thetexttellsusafactthatsmokingdoesgreatharmtopeople shealth 2 Ihavenoideathathehasalreadygoneabroad whenhewillbeback whobrokethewindow whyshewenthome 3 Ihavenodoubt Thereisnodoubtthathewillsucceed 4 Ihavesomedoubt Thereissomedoubtwhethertheycancompletethetaskontime 5 ThebeliefthatallroadsleadtoRomeissharedbymanypeople 6 Thepossibilitythatpeoplewouldhavetowalktothefarmwasmentioned 7 Hecan tanswerthequestionhowhegotthemoney 8 Wedon tunderstandtheproblemwhythisisthebestchoice 9 TomgotamessagefromMrSmiththattherewouldbeatestsoon 10 WordcamethatChinalauncheditsfirstmannedspaceshiponOct 15 2003 11 Thethoughtcametoherthatmaybeshehadleftthedooropenwhenshelefthome 五 语气 在suggestion advice order request等表示 建议命令 要求 等词后 同位语从句中的谓语动词常用 should 动词原形 虚拟结构 e g 12 Hegavemanysuggestionsthatwe should getupearlierandtakemoreexercise 13 Thegovernmentgavetheorderthatallthesehouses should bepulleddowninthreeweeks 比较 15 Weexpressedthehope that which theyhadexpressed 定语从句 WeexpressedthehopethattheywouldcometovisitChinaagain 同位语从句 16 Thenews that which hetoldmejustnowistrue 定语从句 ThenewsthatIhavepassedtheexamistrue 同位语从句 17 Theadvice that which hegavewassupportedbyusall 定语从句 Theadvicethatwe should setoutatoncewassupportedbyusall 同位语从句 归纳总结 5 特殊句型 1 AistoBwhatCistoD 如 5 2 whoever whatever whichever连接名词性从句时 既在主句中充当成分 又在从句中充当成分 whoever引导名词性从句时 whoever anybodywho 如 6 whatever引导名词性从句时 whatever anythingthat 如 7 whichever引导名词性从句时 whichever any 名词 that 如 8 巩固性练习 1 Thefact sheworkshardiswellknowntousall A thatB whatC whyD which2 Thefact hewassuccessfulproveshisability A thatB whatC whichD why3 Thenews hewaskidnappedsurprisedusgreatly A whatB thatC whyD when4 Hissuggestion themeetingbedelayedwasturneddown A whichB thatC D it5 Ihavenoidea hewillstart A whenB thatC whatD 6 I vecomefromthegovernmentwithamessage themeetingwon tbeheldtomorrow A ifB thatC whetherD which 7 Thethought hemightfailintheexamworriedhim A whenB whichC whatD that8 Theorder theprisonerbesetfreearrivedtoolate A whichB whetherC thatD what9 Thenursesaretryingtheirbes