英语高考主语从句.ppt

Grammar 1 主语从句除了连接词that外 还有whether what which who whom whose when where why how whatever whoever等 eg Whetherhewillgothereisnotknown Whathesaidisnottrue Whobrokethewindowhasnotbeenfoundout Howheescapedisstillamystery Wherehedidthemoneyistobefoundout Whoevercomesiswelcome 注意 what引导主语从句时 主句谓语动词一般用单数 但如果表语是复数名词 主句谓语动词用单复数 eg Whatweneedismoretime WhatIhavenowis aretwobooks 2 宾语从句除了that外 还可用whether if who whom whose what which when where how why等引导 eg Heaskedwhosehandwritingwasthebest I mnotinterestedinwhathe ssaying Thisdependsonwhetherheisinterested ornot Heaskedif whetheryouhavereceivedhisletter Sheaskedmewhyhehadchosenthatone if whether 1 引导主语从句 表语从句 同位语从句只用whether eg Thequestioniswhetheritisworthdoing 2 做介词的宾语时eg I mworriedaboutwhetherhecanarriveintime 3 引导宾语从句紧跟ornot时 eg Pleasetellmewhetherornotyouagree 4 与不定式连用时eg Idon tknowwhethertoacceptorrefuse discuss后引出宾从 或宾从是否定句时eg Let sdiscusswhetherweshallgobyplane Idon tcarewhetherhedoesn tcome 6 在条件从句中 用if而不用whethereg Ifyoudon tagreetodoit Iwillaskanother 注意 1 某些动词如insist suggest ask demand order advise等 其后宾语从句用虚拟语气 即should 动原 eg Weallinsistthatwemotrestuntilwefinishthework Itwasdemandedthatweshouldsetoffbeforedaybreak 2 否定前移 eg Idon tbelieveshecanmarrytheyounglawyer 3 表语从句在句中作表语 一般在连系动词后 引导词有 that whether asif asthough who whom whose what which when where how why等 eg Theimportantthingiswhatamandoes notwhathesays Thetroubleiswhocansolvetheproblem That swhatweshoulddo 4 同位语从句常用that whether how when where why等 eg Ihavenoideahowhedidit 注意 除that外 其余连词在从句中都具有各自的意义和成分 eg Hemustanswerthequestionwhetherheagreestoitornot 状语YouhavenoideahowworriedIwas 状语 AfterYangLiweisucceededincirclingtheearth ourastronautsdesiretodoiswalkinginspace A whereB whatC thatD how2 Amoderncityhasbeensetupin wasawastelandtenyearsago A whatB whichC thatD where3 Heraisedaquestion theworkwasworthdoing A ifB thatC whetherD which 4 Wecannotfigureout quiteanumberofinsects birds andanimalsaredyingout A thatB asC whyD when5 TheseflowersaresospecialIwoulddo Icantosavethem A whateverB thatC which