Unit 2 The Environment 导学案 1

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1、Unit2TheEnvironment导学案1Learningpoints(学习目标)：1.Tograsptheusagesofthepastparticipleandthepastparticiplephrase.2.Tofinishsomeexercisesaboutthepastparticiple.Importantpoints(学习重点)：Tograspthepastparticipleaspredicative(表语)andobjectcomplement(宾语补足语).Difficultpoints(学习难点)：Tograspthepastpar

2、ticipleasattribute(定语)andadverbial(状语).Learningguide(方法导引)：Read，rememberandapplyStep1.Theformofthepastparticiple:动词+ed(done)温馨提示：过去分词没有形式的变化。Step2.GrammaticalfunctionsofPastparticiple动词的-ed形式具有副词、形容词的特征，在句中可作定语、表语、补语、状语等。I.V-edusedasattribute:(C级)1.位置:单个过去分词一般位于名词前，过去分词短语位于名词后，在功能上相

3、当于一个定语从句。e.g.Thestolencarwasfoundbythepolicelastweek.Thespeakeransweredallthequestionsraisedbytheaudience.=Thespeakeransweredallthequestionsthatwereraisedbytheaudience.e.g.The__________timecanneverbefoundagain.时光一去不复返。Thisnovel____________________hasbeensoldoutinafewdays.=Thisnovel_

4、___________________________hasbeensoldoutinafewdays.他写的小说几天就卖完了。2.不及物动词的v-ed式也可作前置定语，但只表完成，不表被动e.g.aretiredworker一位退休工人therisensun升起了的太阳思考：(1)Theproblemdiscussedyesterdayhassomethingtodowithdailylife.(表被动完成)(2)Theproblembeingdiscussednowhasnothingtodowithdailylife.(___________)(3)Th

5、eproblemtobediscussedtomorrowhasnothingtodowithdailylife.(_________)II.V-edusedaspredictive(C级)1.过去分词作表语，多表示主语所处的状态，e.g.Thewindowisbroken.Shewasgreatlyexcited.e.g.Shefelt_________withherperformanceonthehigh-and-lowbars.(satisfy)Thestudentsarefully____________.(prepare)思考：现在分词作表语与过去分

6、词作表语的不同之处？____________________这类动词有哪些？___________________________________________________III.V-edusedastheObjectComplement(B级)1.表“感觉和心理状态”的动词，如:see，hear，find，feel，think，watch，notice，etc.+object(宾语)+v-ede.g.Wesawthethiefcaughtbythepolice.2.使役动词:make，get，have，keep，leave，etc.+object(宾语

7、)+v-ede.g.Wemustgetthetableclothwashed.e.g.Iever________thesong_______inFrench.我曾经听人用法语唱这首歌。Hemanagedto________himself________.他好不容易让别人明白了他的意思。思考：过去分词，不定式，现在分词作宾语补足语的区别？__________________________________________________________IV.V-edusedastheAdverbial(B级)1.过去分词作时间状语相当于时间状语从句e.g.Ask

8、edwhyhedidn’tdoit，h