时间状语从句PPT课件PPT课件

AdverbialClauses 条件状语 原因状语 目的状语 地点状语 比较状语 结果状语 时间状语 让步状语 方式状语 掌握状语从句的关键 1 准确掌握每一个连词的含义 2 注意主句和从句的时态呼应 Adverbialclausesoftime 1 as while when Whichdoyouchoose I mgoingtothepostoffice youarethere canyoubuymesomestamps A AsB whileC BecauseD If While when在句中的不同含义 WhileIwaswalkingdownthestreet Icameacrossanoldfriend while WhileIreallydon tlikeart Ifindhisworkimpressive while Helikespopmusic whileIamfondoffolkmusic Strikewhileironishot Theywerewalkingdownthestreetwhentheysawanaccident 2 Ihadjustgothomewhenitbegantorain 3 Iwasabouttogoswimmingwhenourguidestoppedme 4 It scoldwhenitsnows AsIleftthehouse Iforgotthekey 2 AsIgetolder Igetmoreoptimistic 3 Helookedbehindashewent 4 Astheweatherissobad wehavetostayhome 5 Youcandoitasyoulike 6 Oldasheis heisstillenergetic Judgethemeaningsof as Fillintheblankswith when while as 1 youmeetawordyoudon tknow consultthedictionary 2 Thestudentstooknotes theylistened 3 thewindrose thenoiseincreased 4 Shecalled Iwasout 5 Wemuststrike theironishot 6 youhavefinishedyourwork youmayhavearest 7 Iwasjustreadingabook shecameintomyroom when as As while while When when before用法1 Wehadsailedfourdaysandfournightsbeforewesawland 2 Wehadn trunamilebeforehefelttired 3 Pleasewriteitdownbeforeyouforgetit 4 BeforeIcouldgetinaword hehadmeasuredme 注意 before从句中谓语不用否定式 Beforetheyreachedthestation thetrainhadgone 才 还没有 不到 就 趁 还未 还没来得及 含有before的句型结构 1 Itwillbe was 一段时间 before 过多久才 It 还要过两年 heleavesthecountry It 过了很长一段时间 beforehegottosleepagain 2 Itwillbe was not 一段时间 before 不多久就 Itwasn ttwoyearsbeforeheleftthecountry Itwasnotlongbeforehecameback Since用法1 IhavereturnedhomefourtimessinceIcamehere 2 Shehasbeenworkinghere eversince heleftschool 常用句型 Ithasbeen is 时间段 since从句 自从 有多长时间了 毕业已经有六年时间了 Ithasbeen is sixyearssinceshegraduatedfromtheuniversity 2 引导时间状语从句的连接词除上述外还有 till until Don tgetoffthebusuntilithasstopped Hewaitedforhisfatheruntil till itwastwelveo clock once assoonas directly immediately AssoonasIhavefinishedit I llgiveyouacall Onceyoushowanyfear hewillattackyou Hemadeforthedoordirectlyheheardtheknock themoment theminute thesecond 一 就hardly scarcely when nosooner than表示 一 就Wehadhardlygotintothecountrywhenitbegantorain Hehadnosoonerarrivedthanshestartedcomplaining eachtime everytime thefirsttime bythetime Eachtimehecametomycity hewouldcallonme ThefirsttimeIcametoShanghai Iloveditverymuch Bythetimethedoctorarrived themanhadcometo 连接词 because as since nowthat for e g Hedidn tcometoschoolbecausehewasill 表示 直接 原因 c f Hemightbeill forhedidn tcometosch