人教版 选修7 Unit 3 Under the sea Grammar 课件 (14).ppt

subjectclauses主语从句 1 主语从句 从句在句中充当主语成分 1 thathewillsucceediscertain whetherhewillgothereisnotknown 3 howwecanhelpthetwinswillbediscussedatthemeeting 1 引导主语从句的连接词有三类 1 连词that whether whetherwegobytrainorbyboatmakesnodifference whetherhe llcomehereisn tclear thatpricewillgoupiscertain 1 连接词 1 从属连词 that whether等 that引导主语从句只起引导作用 本身无实际意义 在主语从句中不充当任何成分 但不能省略 thatshelefthimcuthimtotheheart thathewillcomeiscertain 由whether及其他连词引导的主语从句放在句首 句后都可 whetheritwillpleasethemisnoteasytosay whatshedidisnotyetknown 宾语 whowillwritethepoemhasnotbeendecidedyet 主 whateverhedidisright 宾 2 连接代词who whom whose what which whoever whatever whichever等 在从句中做主 宾 表 定 由连接代词whoever whatever等引导的主语从句意义不同于who what引导的主语从句意义 以who whoever为例 who只有它本身的疑问含义 谁 whoever相当于anyonewho whoisthegirloverthere whoeverbreaktherulewillbepunished 1 willwinthegoldmedalremainstobeseen 2 wantstoaskquestionsiswelcomeanytime 3 themanagerdecidedtoofferthejobto hebelievedhadastrongsenseofduty who whoever whoever who whoever whomever 4 youchooseasyourwifehasnothingtodowithme 5 breaksthelawshouldbepunished 6 thereisnodoubtthatanyone doesn tgiveintodifficultieswillbesuccessfulatlast whomever whoever who 3 连接副词where when how why等 在从句中做状语 howthishappenedisnotcleartoanyone whenhewillbebackdependsontheweather howthepyramidswerebuiltisstillamystery 依据 缺什么补什么 原则确定正确的连词 如果从句中缺主语 指人用who 指物用what 如缺宾语 指人用whom 指物用what 如缺时间状语用when 地点状语用where 原因状语用why 方式状语用how 定语用what或which 什么都不缺用that wherehewillgoisunknown whatyousaidyesterdayisright thatheknowsjapaneseisknowntoall whetherheiscomingdoesn tmattermuch 主语从句后置 注意 有时为了使句子结构平衡 避免 头重脚轻 常用it作形式主语 而把从句放在后面 例如 itisapitythatshehasmadesuchamistake 她犯了这样一个错误 真是遗憾 canyourewritethefollowingsentences 1 thattheearthturnsaroundthesunisknowntoall 2 thatpricewillgoupiscertain 3 thattheyarebadlyinneedofhelpisquiteclear itisknowntoallthattheearthturnsaroundthesun itiscertainthatpricewillgoup itisquiteclearthattheyarebadlyinneedofhelp 这样就构成了下面一些常用句型 1 itis adj n 从句itisapity shamethat 遗憾的是 itispossiblethat 很可能 itisunlikelythat 不可能 2 it 不及物动词 从句itseems appearsthat 似乎 ithappenedthat 碰巧 3 it be 过去分词 从句itissaidthat 据说 itisknowntoallthat 众所周知 itisreportedthat 据报道 itisbelievedthat 据信 人们相信 itissuggestedthat 有人建议 itmustbepointedoutthat 必须指出 ithasbeenprovedthat 已证明 如 itisbelievedthatatleastascoreofbuildingsweredamagedordestroyed 据信 至少有二十座楼房遭到破坏或彻底毁掉 ithasbeendecidedthattheexhibitionwillnotopenonsundays 注意 whatyouleftareonlyseveraloldbooks whatyousaidisofgreatimportance whetherhe llcomehereisnotclear 1 if 不能引导主语从句 应有 whether 引导 3 主语从句的 that 一般不能省 4 what 引导主语从句时 谓语动词 1 常与其后的名词作表语一致2 根据句子的语境而定 4 主语从句需注意的问题 2 主语从句中用陈述语序 用于itisimportant natural necessary impossiblethat 句型中 主语从句应使用虚拟语气 谓语动词用 should 动词原形 的形式 should有时有感情色彩 what与that在引导主语从句时的区别what引导主语从句时在句时在从句中充当句子成分 如主语 宾语 表语 而that则不然 例如 1 whatyousaidyesterdayisright 2 thatsheisstillaliveisaconsolation what在此引导主语从句 又做said的宾语 that只起连接作用 不做成分 1 whereshallwespendtheholidayisn tdecided 2 yourhavemadeamistakeisafact 3 thatiscertainthatwecanwin 4 nomatterwholeavestheroomlastoughttoturnoffthelights 5 itisimportantthatastudentlearnsaforeignlanguage weshall thatyouhave itis whoever shouldlearn 改错练习 1 youdon tlikehimisnoneofmybusiness 2 hesaidatthemeetingastonishedeverybodypresent3 the2000olympicgameswillbeheldinbeijingisnotknownyet 4 we llgocampingtomorrowdependsontheweather 5 leavestheroomlastoughttoturnoffthelights that what whether whether whoever 用关系词填空 6 isafactthatenglishisbeingacceptedasaninternationallanguage 7 itworriedherabit herhairwasturninggrey 8 theforeignministersaid isourhopethatthetwosideswillworktowardspeace 9 afteryangliweisucceededincirclingtheearth ourastronautsdesiretodoiswalkinspace it that it what 1 ireadaboutitinsomebookorother doesitmatter itwas 01北京春季 a whereb whatc howd which 2 afteryangliweisucceededincirclingtheearth ourastronautsdesiretodoiswalkinspace 04上海 a whereb whatc thatd how fashiondiffersfromcountrytocountrymayreflecttheculturaldifferencesfromoneaspect 00上海 whatb thatc thisd which d b b 4 hemadeanimportantspeechatthemeetingwastrue a thatb whyc whatd how 5 we llgocampingtomorrowdependsontheweather aifbwhethercthatdwhere 6 isknowntousallisthatamericaisadevelopedcountry thefirstworld which belongtob as belongedtoc what belongingtod it belongingto 7 it sknowntousall aformofenergy a waterisb thatwaterisc iswaterd thatwaterto8 itworriedherabit herhairwasturninggray a whetherb thatc whatd when9 whatisayandthink noneofyourbusiness a isb arec hasdhave 10 the2000olympicsgameswillbeheldinbeijingisnotknownyet a wheneverb ifc whetherd that c 11 wecan tgetseemsbetterthan wehave a what whatb what thatc that thatd that what a 12 itworriedherabit herhairwasturninggray a whileb thatc ifd for b 13 isafactthatenglishisbeingacceptedasaninternationallanguage a thereb thisc thatd it d 14 itwas hesaid disappointedme a what whatb that thatc what thatd that what c 典型错例分析 1 shewantstoknowiswhichdressshesho