When-was-it-inventedSA3a-4VIP专享VIP免费

淄川实验中学初四英语教案No.授课内容Unit4Whenwasitinvented?SectionA3a-4课型new审阅备课日期Sep.上课日期Sep.备课人教学目标（包括知识、情感、能力目标）Targetlanguage:Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.Vocabulary:salty,sweet,sour,crispy,pleasant,potatochips,slipper,leaf,fire,scoop,lightbulb,telescope,microwaveoven,abacus,camera,beverage,beinventedby,beusedfor,bymistake,byaccident--Whatdoyouthinkisthemosthelpfulinvention?--Ithinkthemosthelpfulinventionis….--Whyisthat?--Becauseitis….AbilitiesGoalsTolearntousePassivevoice(questionsandstatements)Tolisten,talkandreadaboutinvention教学重点--Whatdoyouthinkisthemosthelpfulinvention?--Ithinkthemosthelpfulinventionis….--Whyisthat?--Becauseitis….教学难点各种时态被动语态以及它们的构成结构。教学过程教学内容设计二次备课StepIRevisionShowtheimportantlanguagedrillsthatwehavelearnedinthelastclass.Step2StudyingaimsShowthestudyingaimstothestudents.Letthemknowwhatwewillstudyinthelesson.Readthestudyingaimsbythemselves.Step33aMakealistoffivehelpfulinventionsandfiveannoyinginventions.(3a)Encouragethestudentstosaytheirownideas,andtelluswhy.SaytheiranswersloudlyStep43bTheteacherasked“Whydoyouthink….?”Studentssaytheiranswers.Grammar（全面讲解被动语态）1.重点讲解主动语态和被动语态如何转化。2.有关时态的被动语态构成：am/is/are+P.P.was/were+P.Pwill/shall+be+P.P.should/would+be+P.P.have/has+been+P.P.情态动词+be+P.P.3:重点再点出“see”“hear”两词的被动语态转化。Step5SummarySumupthemaincontentsofthelesson.Listenandlearn,takenotesStep6Dosomeexercises:板书设计时态的被动语态构成：Am/is/are+P.P.was/were+P.Pwill/shall+be+P.P.should/would+be+P.P.have/has+been+P.P.情态动词+be+P.P.作业1.配套练习册.2.PreviewSectionB.教学反思