unit3《scienceversusnature》grammarandusage教案4（译林版必修5）

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1、Unit3ScienceversusnatureGrammarandusageTeachingobjects:1.Learntheusageofverb-edformandverb-edphrases2.Learnthedifferenceandusageofverb-ingandverb-edasadjectivesTeachingprocedures:StepIIntroductionVerb-edformcanbeusedlikeanadjectiveoranadverbinasentenceservingas（充当

2、）attribute（定语），predicative（表语）andobjectcomplement（宾语补足语）Whentheverb-edformisusedasanattribute,itcanbechangedintoanattributiveclause.Theverb-edformcanalsobeusedasanadverbmodifyingsomeverbssuchasstand,sit,lie...etc.toshowthetwoactionshappeningatthesametime.Pleaseide

3、ntifythepartsofspeech（词性）oftheverb-edformindifferentsentences1）Thehandwrittennotesarefromjack.2）Thekidnapperswereusingastolencar.3）Adark-hairedmanwentintotheroom.4）Thecakewasleftuntouchedonthetable.5）Thegirllaytrappedunderthewreckage（船舶残骸）.Step11theusageofverb-edf

4、ormThefunctionsofverb-edform1•attribute（定语）1）Asingleverb-edcanappearbeforeanounmodifyingthenounlikeanadjective.Itcanbechangedintoanattributiveclause.Weshoulddrinkboiledwater.=WeshoulddrinkwaterwhichhasbeenboiledTheytooktheinjuredwomantothenearbyhospitalatonce.=The

5、ytookthewomanwhowasinjuredtothenearbyhospitalatonce.2）Generallyspeaking（—般说来），theverb-edformoftransitiveverbs（及物动i司）expressespassivemeaningswhiletheverb-edformofintransitiveverbs（不及物动词）expressesactiveandpastmeanings.Someverb-edsbeforenounscanexpresspastmeanings,su

6、chasescaped,retiredandfallen.theescapedcriminal逃犯pastthedevelopedcountries发达国家pastawidelyusedlanguagepassivetheretiredscientistpastthehighlypraisedscientistpassivefallenleaves落叶pasttherisensun升起的太阳pasttheexploitedclasses被剥削阶级passive3）Averb-edphrasecanappearafteran

7、ountomodifythenounlikeanattributiveclausedoes.Thenamementionedintheletterwasunknowntome.=Thenamewhichwasmentionedintheletterwasunknowntome.Thefiremenweretryingtorescuethepeopletrappedinthefire.=Thefiremenweretryingtorescuethepeoplewhoweretrappedinthefire.Scientifi

8、cexperimentscarriedoutbystudentswithouttheteacher’sinstructionscanbedangerous.=Scientificexperimentswhicharecarriedoutby4）Averb-edcanbepartofacompound（复