Internationalcharities教学目标1.Toknowthecontextofpassivevoice.2.Masterandusethepassivevoiceofthepresenttenseandthesimplepasttensecorrectly.重点1.Toknowthecontextofpassivevoice.2.Masterandcorrectuseofthepassivevoiceofthepresenttenseandthesimplepasttense难点1.Toknowthecontextofpassivevoice.2.Masterandcorrectuseofthepassivevoiceofthepresenttenseandthesimplepasttense教法及教具Somepicturesandataperecorder.教学过程教学内容个案调整教师主导活动学生主体活动Step1Leadin1.Teacherhelpssts.revisethereadingparttointroducepassivevoice.Ask:(1)WheredoORBISdoctorsdooperations?(2)WhatisneededbyORBIStohelpblindpeople?2.Teacherwritestheanswersontheblackboardandcircleoutthetwoparts.Step2Presentation1.Introducepassivevoice:当我们对被做的事情而不是做事情的人感兴趣时，我们用被动语态。2.Showsomeexamples:(1)ManypeoplespeakEnglish.(主动)Englishisspokenbymanypeople.(被动)(2)Theybuiltanewbridgeovertheriver.(主动)Anewbridgewasbuiltovertheriver.(被动)主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受着，当主语和谓语动词构成被动关系时，通常需要用被动语态。Answer:(1)ORBISdoctorsdooperationsontheplane.(2)MoremoneyisneededbyORBIStohelpblindpeople.汉语中常用“被”“给”“由”“受”等词来表示被动，而英语中则用“be+动词的过去分词”来表示。3.Askthemtoworkouttherule:教学内容个案调整教师主导活动学生主体活动●当主语是谓语的执行者时，用主动语态。当主语是谓语的承受着时，用被动语态。如：Wecleanedtheclassroomeveryday.我们每天都打扫教室。Theclassroomiscleanedbyuseveryday.教室每天都被我们打扫。●被动语态的基本构成：主语be动词过去分词一般现在时IamsupportedYou/We/TheyareHe/She/Itis一般过去时IwassupportedYou/We/TheywereHe/She/Itwas●被动语态的基本用法：1.动作的执行者是泛指或不言自明时。2.在不知道动作的执行者是谁时。3.需要强调动作的承受者时。4.出于委婉或礼貌而避谈动作的执行者时。5.在被动语态的句子中，如果我们需要指出动作的执行者，可以由by引出。3.Givemoreexamples.Step3Practice1.Presentthepicturesofreadingpartandtrytofindoutthesentenceswithpassivevoice.Learnpassivevoicebyheart.Answer:(1)ItiscalledORBIS.(2)Itisusedasahospital.Itisalsousedasatrainingcentre.(1)WhatisthischaritycalledinEnglish?(2)Whatistheplaneusedas?(3)HowmanypatientswereoperatedonduringDrMa’slastvisit?2.Asksts.torevisethesentencesinComicstrip&Welcometotheunitlikethisway.Step4Homework1.Doexercisesonexercisebook.2.Trytoremembertherule.(3)板书课堂作业作业见附页教学札记
