高中英语新课标外研版必修4教案 period3 function;grammar 1，2（module4 great scientists）

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1、Period3　Function;Grammar1，2TheGeneralIdeaofThisPeriodFunctioninthismoduleistalkingaboutnumbers,whichincludebignumbers,fractionsandpercentages.ThestudentscanfinishActivities1and2individuallyandchecktheanswerswiththewholeclass.AsforActivity3,pairworkorgroupworkisbetter.Letthestudentsdictatesomenumber

2、stotheirpartnerstoconsolidatewhattheylearned.Afterthat,theteachercangivethemaquiztomakesurethestudentscandistinguishdifferentnumberscorrectlyandcanreadandwritetheminthecorrectway.Ingrammar1,we’llrevisethepassivevoiceofpresenttense,pasttense,futuretenseandpresentperfecttense.Therearefouractivitiesfo

3、rthestudentstopractice.Ingrammar2,thestudentswilllearntouseby+-ingform.Firstly,inActivity1makesuretheusageofthisform.Itusuallyworksasadverbial,andmeans“usingsomeway”.Thisformisnotdifficult.WearesurethatafterthepracticeinActivity2,thestudentscanmasterthisformcorrectly.TeachingImportantPointsTeachthe

4、studentshowtoreadandwritenumbersinacorrectway.Makesurethestudentscanusethepassivevoiceandby+-ingformcorrectly.TeachingDifficultPointsTomakethemmastertheusageofthepassivevoiceandby+-ingform.TeachingMethodsIndividualworkandpairworktomakeeverystudentworkinclass.TeachingAidsMultimedia&ablackboardThreeD

5、imensionalTeachingAimsKnowledgeandSkillsMakethestudentslearntousethemathematicaltermsinacorrectway.Makesurethestudentscanusethepassivevoiceindifferenttensesandby+-ingformcorrectly.ProcessandStrategiesMotivatethestudents’enthusiasmintakingpartintheclass.FeelingsandValueThroughthestudyofthisperiodthe

6、studentswillsurelyknowmoreaboutthebasicuseofthepassivevoiceandby+-ingformandhowtoreadandwritedifferentnumberscorrectly.TeachingProceduresStep1Revision(Greetingsasusual)T:First,let’shaveadictationofthenewwordsandexpressionswelearntlastclass.1.staple　2.leading　3.figure　4.breeding　5.species　6.yield　7.

7、original8.sterile　9.breakthrough　10.convert　11.export　12.hybrid　13.replace14.bringup　15.asaresultofStep2FunctionT:Functioninthismoduleisaboutnumbers.Now,lookatActivity1onPage35.Choosethecorrectwayofsayingth