初二年级下册状语从句.ppt

状语从句总结,状语从句主要用来修饰主句或主句的谓语。一般可分为七大类，分别表示时间、原因、目的、结果、条件、让步、比较。尽管种类较多，但由于状语从句与汉语结构和用法相似，所以理解和掌握它并不难。状语从句的关键是要掌握引导不同状语从句的常用连接词和特殊的连接词即考点。现分别列举如下:,1时间状语从句(主将从现)常用引导词：as,after,assoonas,before,since,until,when,whenever,while,Asheexploredthesea,hetookalotofpictures.AssoonashearrivedinFrance,hecalledme.HehasbeeninShanghaisincehewasborn.Dontcomeinuntilyouarecalled.Wheneverwereintrouble,hellhelpus.WhileIwaswatchingTV,thebellrang.,2.原因状语从句,常用引导词：because,since,as,forIdidntgosurfing,becauseitwastoocold.Itmustbemorningnow,forthebirdsaresinging.Sincehewasbusy,hedidntcome.Asthecarisexpensive,wecantbuyit.,3目的状语从句,常用引导词：so,sothat,inorderthatWellsitnearthefrontsowecanhearthespeakerbetter.Hesatinthedarksothathecouldntbeseen.,4结果状语从句,常用引导词：so,sothat,suchthat,Hewassoweakthathecouldntwalkon.Hegotupsoearlythathecaughtthefirstbus.Itssuchagoodchancethatwemustnotmissit.,Completethesentenceswithsothatandthewordsinthebox.(程度结果状语从句）,afraidcolddarkhungrylatetired,Thetrainwassolatethattheymissedtheirflight.1.Shewas_shecouldntgetontheplane.,soafraidthat,2.Theywere_theyateallthefood.3.Itwas_theycouldntseewheretheyweregoing.4.Theywere_theyfellasleepimmediately.5.Iwas_myfaceturnedblue.,sodarkthat,sotiredthat,socoldthat,sohungrythat,afraidcolddarkhungrylatetired,5比较状语从句,常用引导词：as(so)as,than等引导Sheisnotso(as)bad-temperedashermother.Thehouseisthreetimesasbigasours.,6条件状语从句(主将从现),常用引导词：if,unlessWellstartourprojectifthepresidentagrees.IfyoutravelinIndia,youcanuseEnglisheverywhere.IwontpasstheexamunlessIworkhard.,7让步状语从句,常用引导词：though,although,eventhoughAlthoughthetrafficwasheavy,wegottotherailwaystationontime.Eventhoughheiseighty,helooksstrongandhealthy.Theoldmanalwaysenjoysswimmingthoughtheweatherisrough.,exercise,Ididntlearntocook_Ilefthome.Ididntneedtocook_Ilivedathome,becausemymotherdidallthecooking.Ienjoyedherfood,_ImsorrythatIdidntlearntocook._Imovedaway,IknewIhadaproblem.,although,as,assoonas,but,since,sothat,until,when,until,when,but,Assoonas,_IknewwhatIwantedtoeat,Ididntknowhowtocookit.Igot_hungry_Iaskedmymothertocometostay._shecookedmyfavoritefood,sheshowedmewhattodo.Now,Imgoodatco