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1、语法项目时间、条件和让步状语从句1.时间状语从句注意点___________lwaswalkingdownthestreet,Isawsomepolicemen._______theyheardthenews,theyweresurprised.______thechildwasplayingwithhistoys,hisparentswerewatchingTV.Theyshoutedslogans____theypassedthesquare.when表示从句动作和主句动作同时发生,或先于主句动作;while表示从句的动作与主句动作同时发生,并有延续
2、的含义;as从句动作与主句动作相并发生,常译为“边…边…”。When/WhileWhenWhileas1)when/while/as的用法。Hehadhardlyarrivedwhenitbegantosnow.Hardly_____________whenitbegantosnow.Wehadhardlywalkedintothehallwhenthelecturestarted.Hardly_______walkedintothehallwhenthelecturestarted._______________shegonetosleepthanth
3、etelephonerangoncemore._______________theboyreachedthedoorthanhecameback.hadhearrivedhadweNosoonerhadNosoonerhad2)含有关连词组hardly…when和nosooner…than的两种句子结构表示“一……就……”。当hardly或nosooner位于句首时,要倒装。3)一些表示时间的名词词组,如themoment,eachtime,everytime,thefirsttime,theyear等,也用于引导时间状语从句,这时它们担当着连接词的功能
4、。______________hewenttoShanghai,hepaidavisittohisformerteacher.A.ForthefirsttimeB.Thefirsttime___________lsawhim,Ithoughtofhisfather.A.ThemomentB.AtthemomentThefirsttimeThemomentEachtimehecame,hewouldbringusalotofflowers.2.条件状语从句注意点YouwillimproveyouroralEnglishifyoukeeponpractisi
5、ng.Hewillnevermakeprogress_______heworkshard.A.ifB.unlessIfI_____you,Iwouldgiveupsmokingatonce.A.wasB.amC.isD.were1)if和unless是最常用的条件从句连接词,unless在意义上等于“if…not”,并且语气较强。if可用于虚拟条件句,unless则一般不用于虚拟条件句。unlesswere2)incase后接一般现在时、一般过去时或should,它所引导的从句为主句的动作提供理由。Pleasetakeyourraincoatalongw
6、ithyouincaseitrains.Healwayssleptbythephoneincasesherangduringthenight.Don'tgoouttomorrowmorningincaseMrLishouldcometovisityou.3.让步状语从句注意点Whateverhappens,wewillnotchangeourmind.Nomatterwhathappens,wewillnotchangeourmind.Howeverdifficulttheworkis,wewilltryourbesttofinishitintime.N
7、omatterhowdifficulttheworkis,wewilltryourbesttofinishitintime.1)whatever(whenever,however…)和nomatterwhat(when,how…)这两种形式都可引导让步状语从句,意义无差异。2)形容词/副词/名词+as/though可引导一个让步状语从句,表示强调。Thoughsheisyoung,sheknowssomuchaboutlife.Youngas/thoughsheis,sheknowssomuchaboutlife.Thoughtheyfoughtbrav
8、ely,theyhadnochanceofwinning.Bravelyas/t