2019-2020年高中英语 unit3science versus nature-grammar and usage教案 牛津译林版必修5

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1、2019-2020年高中英语unit3scienceversusnature-grammarandusage教案牛津译林版必修5Teachingobjects:1.      Learntheusageofverb-edformandverb-edphrases2.      Learnthedifferenceandusageofverb-ingandverb-edasadjectivesTeachingprocedures:StepIIntroductionVerb-edformcanbeusedlikeanadjectiveoranadverbinase

2、ntenceservingas(充当)attribute(定语),predicative(表语)andobjectplement(宾语补足语) Whentheverb-edformisusedasanattribute,itcanbechangedintoanattributiveclause.Theverb-edformcanalsobeusedasanadverbmodifying(修饰)someverbssuchasstand,sit,lie…etc.toshowthetwoactionshappeningatthesametime.Pleaseiden

3、tifythepartsofspeech(词性)oftheverb-edformindifferentsentences1)Thehandwrittennotesarefromjack.2)Thekidnapperswereusingastolencar.3)Adark-hairedmanwentintotheroom.4)Thecakewasleftuntouchedonthetable.5)Thegirllaytrappedunderthewreckage(船舶残骸).StepIItheusageofverb-edformThefunctionsofver

4、b-edform1.attribute(定语)1)Asingleverb-edcanappearbeforeanounmodifyingthenounlikeanadjective.Itcanbechangedintoanattributiveclause.Weshoulddrinkboiledwater.=WeshoulddrinkwaterwhichhasbeenboiledTheytooktheinjuredwomantothenearbyhospitalatonce.=Theytookthewomanwhowasinjuredtothenearbyho

5、spitalatonce.2)Generallyspeaking(一般说来),theverb-edformoftransitiveverbs(及物动词)expressespassivemeaningswhiletheverb-edformofintransitiveverbs(不及物动词)expressesactiveandpastmeanings.Someverb-edsbeforenounscanexpresspastmeanings,suchasescaped,retiredandfallen.theescapedcriminal　逃犯pastthede

6、velopedcountries　发达国家pastawidelyusedlanguagepassivetheretiredscientistpastthehighlypraisedscientistpassivefallenleaves落叶pasttherisensun　升起的太阳pasttheexploitedclasses被剥削阶级passive3)Averb-edphrasecanappearafteranountomodifythenounlikeanattributiveclausedoes.Thenamementionedintheletterwa

7、sunknowntome.=Thenamewhichwasmentionedintheletterwasunknowntome.Thefiremenweretryingtorescuethepeopletrappedinthefire.=Thefiremenweretryingtorescuethepeoplewhoweretrappedinthefire.Scientificexperimentscarriedoutbystudentswithouttheteacher’sinstructionscanbedangerous.=Scientificexper

8、imentswhicharecarri