湖南省怀化市溆浦县江维中学高中英语 u1 grammar课件 牛津版必修1.ppt

welcome 名词性从句 nounclauses warm up thestructureofthesentencelily mysister isagoodgirlconclude anouncanbeasubject object predictiveandappositionofasentence s a v p 什么叫名词性从句 在句子中起名词作用的句子叫名词从句 nounclauses 名词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 同位语等因此根据它在句中不同的语法功能 名词从句又可分别称为主语从句 宾语从句 表语从句和同位语从句 引导名词性从句的连接词 可分为三类 1 连接连词that whether if不充当从句的任何成分 只起连接作用that引导名词性从句时that无意义 有时可省 引导一般陈述句 whether if等引导名词性从句时 有意义 表 是否 引导一般疑问句 2 连接代词 what whatever who whoever whom whose which 不仅起到连接一个句子的作用 同时也充当从句的主 宾 表 定语成分 3 连接副词 when where how why做状语 主语从句 在另外一个句子中做主语的句子叫主语从句 引导词 that whether 疑问词thatheisstillaliveisunbelievable subjectclause 注意 有时候为了平衡句子结构 避免头重脚轻 或者是为了强调 常用it来做形式主语 把that引导的主语从句放到后面 itiscertainthatshewilldowellinherexam itisreportedthatchinahassentanotherman madeearthsatelliteintoorbit it sapitythatwecan tgo it slikely possible important necessary clearthat 很可能 重要的是 必要的是 很清楚 it ssaid reportedthat 据说 据报道 itseems appears happensthat 显然 明显 碰巧 it sapity afactthat 在下列句型中常使用that引导主语从句 在另一个句子中做宾语的句子叫宾语从句 ithink that englishiseasytolearn italldependsonwhethertheywillsupportus objectclause宾语从句 宾语从句在句中充当宾语成分 可以作谓语动词 介词 形容词等的宾语 在某些复合宾语的句式中 也常用it作形式宾语 把宾语从句放在后面 主 谓 it 形式宾语 宾补 that从句 真正宾语 wemustmakeitclearthatyouareright 注意 1 that在以下情况不省略 单个的谓语动词后宾语从句中连词that可以省略 但由连词and连接的两个由that引导的宾语从句中 第二个that不省略 hetoldme that hewouldcomeandthathewouldcomeontime 特殊情况 make find feel consider等这些词的后面用it作形式宾语时 that不省略 ifinditnecessarythatweshouldstudyenglish 介词后that不可省 当whether后紧跟or ornot时 不用if idon tknowwhetherornotiwillstay 介词后面的宾语从句不能用if iworryaboutwhetherihurtherfeeling 2 whether和if都可以引导宾语从句 3 某些作表语的形容词 如 sure happy glad certain等之后也可带宾语从句 例如 iamsurethathewillsucceed 在句中充当表语成分 一般放在连系动词之后如look seem prove be theproblemisthatherparentscouldn tacceptme 引导表语从句的连词 predictiveclause表语从句 that whether 疑问词 asif asthough because helookedasifhewasgoingtocry 表语从句练习 1 thisis shewasborn a whereb whichc thatd what2 thequestionis wecan tgotheretoday a thatb whatc whichd when3 thereasonhehasmadesuchgreatprogressis hehasneverwastedhistime a becauseb whyc thatd what 在句中充当同位语成分 其一般跟在一些抽象名词 idea belief fact possibility hope truth problem news等 后面 对名词作进一步解释说明 同位语从句常用that引导或用连接副词when where why how whetherthenewsthatourteamwonthefirstprizeexcitedallofus appositionclause同位语从句 判断同位语从句与定语从句 由that引导的同位语从句和引导的定语从句的区别 1 weexpressedthehopethattheyhadexpressed 2 weexpressedthehopethattheywouldcometochinaagain 定 同 1 weallknowthetruth theearthgoesroundthesun a thatb whichc whatd whether2 weheardthenews ourteamhadwon a whichb thatc whatd where3 theproblem itisrightorwronghasnotyetbeendecided a whichb thatc whetherd if exercise notes 1 所有的名词性从句一律用陈述语序 2 只用whether不用if的情况有 从句是一般疑问句作动词的宾语 二者都可用 与不定式搭配 引导主语 表语 同位语从句 介词后 从句中有or或ornot 3 that只在动词后宾语从句中可以省略 其他从句一般不可省 语序问题 1 thephotographswillshowyou a whatdoesourvillagelooklikeb whatourvillagelookslikec howdoesourvillagelookliked howourvillagelookslike b if whether 1 iaskedher shehadabike 2 wewillholdapartyintheopenairtomorrowdependsontheweather 3 we reworriedabout heissafe 4 idon tknow heiswellornot 5 idon tknow ornotheiswell 6 thequestionis heshoulddoit 7 thedoctorcanhardlyanswerthequestion theoldmanwillrecoversoon 8 idon tknow togo if whether whether whether whether whether whether whether whether practice 1 ithinkitisgoingtobeabigproblem yes itcouldbe iwonder wecandoaboutit a ifb howc whatd that2 isnopossibility bobcanwinthefirstprizeinthematch a it thatb it whatc there whetherd it whether 3 acomputercanonlydo youhaveinstructedittodo a howb afterc whatd when4 canyoutellme a whoisthatgentlemanb thatgentlemaniswhoc whothatgentlemanisd whomisthatgentleman 5 hedidn tknowwhichroom a theylivedb theylivedinc didtheylived didtheylivein6 togetthejobstarted ineedisfromhere a onlywhatb allwhatc allthatd onlythat 7 insomecountries iscalled equality doesn treallymeanequalrightsforallpeople a whichb whatc thatd one8 goandgetyourcoat it s youleftit a thereb wherec therewhered wherethere theend 主语从句 whatshedidisnotknown svwhoevercomesiswelcome svwhetherhe llcomehereisn tclear svwhereveryouareismyhome svp myonlyhome idoubtwhetherhewillvosucceed youmaydowhatyouwill vohe