中考英语状语从句课件.ppt

民勤职专李晓华Theboywhoplaysbasketballismybrother.CIfitrainstomorrow,wewillnotgotothezoo.FThatiswhyheislateforschool.BThisisthefarmwhereIworked.DHedidn’tgohomebeforehefinishedhishomework.EIthinkheisright.A辨别下列从句类型Adverbialclause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：1时间状语从句2条件状语从句3原因状语从句4结果状语从句5目的状语从句6让步状语从句7比较状语从句8地点状语从句9?状语从句简介IwillcallyouassoonasIarriveinBeijing.HehadlearnedalittleChinesebeforehecametoChina.Iwilltellhimeverythingwhenhecomesback.4.Don’tgetoffuntilthebusstops.5.IhaveworkedinthisschoolsinceIgraduatedfromBeijingUniversity.1．时间状语从句whenaswhileassoonas,whilebeforeaftersincetilluntilJohnwaswatchingTV，hiswifewascookingHesanghappilyhewalkedalongtheriverhegottothestation，thetrainhadleftHehadlearnedalittleEnglishhecametoChinahefinishedmiddleschool，hewenttoworkinafactory2.条件状语从句要点：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．（＝Youwillfailifyoudontstudyhard．）除非你努力学习，否则你会失败。ifunlessaslongasonce1.IwillhelpyouwithyourEnglishifI‘mfree.2.Onceyourememberthewords，Englishiseasy.Aslongasyouarehappy，Iwillbehappy.Unlessyouputonacoat，youmaycatchacold.STEP1STEP2STEP3youdomoreexercise，youwillbehealthyHewon’tbeherehe’sinvitedMathsisveryeasytolearnyouunderstandtherules3、原因状语从句1.Hedidn’tgotoschoolbecausehewasill2.Sinceyoucan’tanswerthequestionI’llasksomeoneelse3.Asheisnocar,hecan’tgetthereeasilybecausesinceas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.—WhycantIgo？为什么我不能去？—______youret