Welcometomyclass民勤职专李晓华辨别下列从句类型1.Ithinkheisright.2.Thatiswhyheislateforschool.3.Theboywhoplaysbasketballismybrother.4.ThisisthefarmwhereIworked.5.Hedidn’tgohomebeforehefinishedhishomework.6.Ifitrainstomorrow,wewillnotgotothezoo.状语从句是指句子用作状语时起副词作用的句子。一般可分为八大类，分别表示为：时间状语从句条件状语从句原因状语从句结果状语从句目的状语从句让步状语从句比较状语从句地点状语从句常用引导词：______,__,_____,__________._____,_______,_____,____,______.1.IwillcallyouassoonasIarriveinBeijing.2.HehadlearnedalittleChinesebeforehecametoChina.3.Iwilltellhimeverythingwhenhecomesback.4.Don’tgetoffuntilthebusstops.5.IhaveworkedinthisschoolsinceIgraduatedfromBeijingUniversity.whenaswhileassoonas,whilebeforeaftersincetilluntilwhenwhen主句和从句动作主句和从句动作同时同时发生发生beforebefore之前之前afterafter之后之后asas并行发生，不分先后并行发生，不分先后WhileWhile强调主句所表示的动作持续于强调主句所表示的动作持续于whilewhile所指的整个时间所指的整个时间内内•JohnwaswatchingTVJohnwaswatchingTV，，hiswifewascookinghiswifewascooking•HesanghappilyHesanghappilyhewalkedalongtheriverhewalkedalongtheriver•hegottothestationhegottothestation，，thetrainhadleftthetrainhadleft•HehadlearnedalittleEnglishHehadlearnedalittleEnglishhecametoChinahecametoChina•hefinishedmiddleschoolhefinishedmiddleschool，，hewenttoworkinahewenttoworkinafactoryfactory常用引导词：要点：引导条件状语从句的连词有if（如果）、unless（除非）等，unless在意义上相当于if．．．not。条件状语从句也像时间状语从句一样，如果主句用将来时，从句要用现在时代替将来时。如：Youwillfail____youstudyhard．（＝Youwillfailifyoudon'tstudyhard．）除非你努力学习，否则你会失败。ifunlessaslongasonce1.IwillhelpyouwithyourEnglishifI‘mfree.2.Onceyourememberthewords，Englishiseasy.3.Aslongasyouarehappy，Iwillbehappy.4.Unlessyouputonacoat，youmaycatchacold.•youdomoreexercise，youwillbehealthy•Hewon’tbeherehe’sinvited•Mathsisveryeasytolearnyouunderstandtherules1.Hedidn’tgotoschoolbecausehewasill2.Sinceyoucan’tanswerthequestionI’llasksomeoneelse3.Asheisnocar,hecan’tgetthereeasily常用引导词：_________,_________,_____becausesinceas比较:because常回答why引导的疑问句，该从句一般位于主句后；since比as正式，两者不回答why引导的问句，而且其从句一般放在句首。如：1.—Whycan'tIgo？为什么我不能去？—______you'retooyoung．因为你年纪太小了。2.___youarenotfeelingwell，you'dbetterstayathome．既然你不太舒服，还是留在家里的好。3、原因状语从句1----“whydidLileiuseapencil”----hispenwasbroken2.wehavenomoney，wecan’tbuyit3.hehasnocar，hecan’tgetthereeasilyExercise：1.Ihaven’theardfromhimhewenttoAmerican2.Iwilltellhimthenewshecomesback3.Hewillnotgotothecinemaheisverybusy4itrainstomorrow，wewillnotgotothezoo5.Don’tleavetheroomyouhavefinishedthetext6.I’dliketogoswimmingthewaterisnottoocold7.nooneisagainstit，let’scarryoutourplan8.Youwillbelateyouleaveimmediately。常用引导词：__________,__________.so…thatsuch…that1Hegotupsoearlythathecaughtthefirstbus.2It’ssuchagoodchancethatwemustnotmissit.3HespokesofastthatIcouldn'tfollowhim．常用引导词：________,________________sothatinorderthat1.Wegetupearlysothatwecancatchthefirsttrain2.Theyusedthecomputerinorderthattheymightsavetime常用引导词：thoughalthoughevenifeventhoughnomatter1.Althoughit‘shardwork，Ienjoyit．2.Nomatterwhatmybrotherwants,myfatherwillgivehim3.Wewon’tgiveupevenifwefailm...
