高中英语 unit3science versus nature-grammar and usage教案 牛津译林版必修5

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1、TeachingplanofGrammarandusageTeachingobjects:1.      Learntheusageofverb-edformandverb-edphrases2.      Learnthedifferenceandusageofverb-ingandverb-edasadjectivesTeachingprocedures:StepIIntroductionVerb-edformcanbeusedlikeanadjectiveoranadverbinasentenceservingas(充当)attribute(定语),predic

2、ative(表语)andobjectcomplement(宾语补足语) Whentheverb-edformisusedasanattribute,itcanbechangedintoanattributiveclause.Theverb-edformcanalsobeusedasanadverbmodifying(修饰)someverbssuchasstand,sit,lie…etc.toshowthetwoactionshappeningatthesametime.Pleaseidentifythepartsofspeech(词性)oftheverb-edform

3、indifferentsentences1)Thehandwrittennotesarefromjack.2)Thekidnapperswereusingastolencar.3)Adark-hairedmanwentintotheroom.4)Thecakewasleftuntouchedonthetable.5)Thegirllaytrappedunderthewreckage(船舶残骸).StepIItheusageofverb-edformThefunctionsofverb-edform1.attribute(定语)1)Asingleverb-edcanap

4、pearbeforeanounmodifyingthenounlikeanadjective.Itcanbechangedintoanattributiveclause.Weshoulddrinkboiledwater.=WeshoulddrinkwaterwhichhasbeenboiledTheytooktheinjuredwomantothenearbyhospitalatonce.=Theytookthewomanwhowasinjuredtothenearbyhospitalatonce.2)Generallyspeaking(一般说来),theverb-e

5、dformoftransitiveverbs(及物动词)expressespassivemeaningswhiletheverb-edformofintransitiveverbs(不及物动词)expressesactiveandpastmeanings.Someverb-edsbeforenounscanexpresspastmeanings,suchasescaped,retiredandfallen.theescapedcriminal　逃犯pastthedevelopedcountries　发达国家pastawidelyusedlanguagepassivet

6、heretiredscientistpastthehighlypraisedscientistpassivefallenleaves落叶pasttherisensun　升起的太阳pasttheexploitedclasses被剥削阶级passive3)Averb-edphrasecanappearafteranountomodifythenounlikeanattributiveclausedoes.Thenamementionedintheletterwasunknowntome.=Thenamewhichwasmentionedintheletterwasunkn

7、owntome.Thefiremenweretryingtorescuethepeopletrappedinthefire.=Thefiremenweretryingtorescuethepeoplewhoweretrappedinthefire.Scientificexperimentscarriedoutbystudentswithouttheteacher’sinstructionscanbedangerous.=Scientificexperimentswhicharecarriedoutby……4)Averb-edcanbepartofac