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1、内蒙古翁牛特旗乌丹第一中学高中英语unit3Grammar学案新人教版必修5学习目标:1.Learnaboutthepastparticipleusedastheadverbial2.Knowthedifferencebetweenthepastparticipleandthepresentparticiple.学习重点:1.Masterthepastparticipleusedastheadverbial2.EnabletheSstousethepastparticipleusedastheadverbialfreelyandproperlyinwriting.学习难点
2、:1.Masterthepastparticipleusedastheadverbial2.EnabletheSstousethepastparticipleusedastheadverbialfreelyandproperlyinwriting.学习方法:Task-basedteachingandlearning学习内容及过程:Step1RevisionStep2Leadin.Inthissentencethepastparticipleisusedas_______________.Itisawaytojointwoclausestogether.过去分词(短语)作
3、状语,像现在分词作状语一样,修饰谓语动词,大多是用来进一步说明动作发生的背景或情况,在意义上相当于状语从句,表示时间、原因、条件、让步、方式或伴随情况等。一.过去分词(短语)作状语的几种情况1.作时间状语,相当于一个__________状语从句.Whenaskedbytheteacher,thelittleboykeptsilent.=Whenhewasaskedbytheteacher,thelittleboykeptsilent.2.作原因状语,相当于一个__________状语从句.Movedbythefilm,manypeoplecouldn’thelpcrying
4、.=As/Because_________________________,manypeoplecouldn’thelpcrying.SatisfiedwithwhatTomdid,theteacherpraisedhiminclass.=_______________________________,theteacherpraisedhiminclass.3.作条件状语,相当于一个__________状语从句.Givenmoretime,wecoulddoitmuchbetter.=_________________________________,wecoulddoit
5、muchbetter.4.作让步状语,相当于一个__________状语从句.Warnedofthestorm,thefarmerswerestillworkinginthefields.=_________________________________,thefarmerswerestillworkinginthefields.归纳:把过去分词短语转变为状语从句时,该状语从句应该具备两个特征:1)从句的主语和主句的主语________________。2)从句的谓语动词为_____________形式。5.作方式或伴随情况状语,相当于一个______________。T
6、heyoungmanwasbusypreparinghispaper,lockedinhisfather’sstudyalldaylong.Theoldmanstoodup,___________(support)byhisson.=Theoldmanstoodup,andhe_______________(support)byhisson.注意:要分析句子结构,弄清楚该填__________还是_____________.二.过去分词作状语的注意事项(1)过去分词作状语,其逻辑主语通常要与句子的__________一致;(2)过去分词充当状语时,其前可加when,whil
7、e,if,once,unless,though/although等连词。If(itis)translatedwordbyword,thepassagewillbedifficulttounderstand.Evenifinvited,Iwon’tgo.=Evenif__________invited,Iwon’tgo.此时连词+过去分词相当于一个含有被动语态的______________。这种带有连词的过去分词通常可看作是一种省略句,省略的部分是________________,省略的主语要与___________