初中英语被动语态总复习课件.ppt

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1、Passivevoice复习课：被动语态各种时态的被动语态结构:1.一般现在时态的被动语态结构:am/is/are+vt过去分词2.一般过去时态的被动语态结构:was/were+vt过去分词3.含有情态动词的被动语态结构:情态动词+be+vt过去分词4.一般将来时的被动语态结构:will/shall+be+vt过去分词5.现在进行时态的被动语态结构:am/is/are+being+vt过去分词6.过去进行时态的被动语态结构:was/were+being+vt过去分词7.现在完成时态的被动语态结构:have/hasbeen+vt过去分词知识点再现:被动语态结构：be+动词的

2、过去分词意义：强调主语是动作的承受者何时使用变化方法注意事项变化：示例Theboybroketheglass.Theglasswasbrokenbytheboy.从主动语态变为被动语态1.主语介词by宾语2.谓语加be,并变为过去分词3.宾语主语1.Theymakeshoesinthatfactory.主语+及物动词+宾语Shoesaremade(bythem)inthatfactory.一般现在时：S(主语）+am/is/are+过去分词变为被动语态2.Theyboughttencomputerslastterm．Tencomputerswerebought(bythe

3、m)lastterm.一般过去时：S+was/were+过去分词Tomwillcleantheroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTomtomorrow.一般将来时;willbe+动词的过去分词3．AmycantakegoodcareofGina．GinacanbetakengoodcareofbyAmy.情态动词：S+can/may/must/should+be+过去分词5.Someworkersarepaintingtheroomsnow．Theroomsarebeingpaintedbysomeworkersnow.

4、现在进行时：S+am/is/are+being+过去分词7．Iwasdoingmyhomeworkat8:00lastnight．Myhomeworkwasbeingdone(byme)at8:00lastnight.过去进行时：S+was/were+being+过去分词6．Wehavemadetwentymorekeys．Twentymorekeyshavebeenmadebyus.现在完成时：S+have/has+been+过去分词二、常见语态转换（一）一般现在时和一般过去时的被动语态。引入练习1。请将下列主动语态变成被动语态1.Lucyboughtsomefruit

5、.Somefruit________________Lucy.2.UncleWangwaterstheflowerseveryday.Theflowers______________UncleWangeveryday.3.Didtheybuildthebridgein1998?____thebridge_____in1998?4.WhendidLuXunwritethesebooks?When_____thesebooks___________LuXun?5.Thefarmersdon’tgrowapplesonthefarm.Apples__________onthef

6、arm.6.Theydidn’tcleantheclassroomyesterday.Theclassroom_______________yesterday.小结：1、被动语态的转换，在be+过去分词中，确定_____是关键，_______永不变。2、Be的时态由_______________确定；be的单/复数由____________确定。3、问句提前__________;否定________后加not.wasboughtbyarewateredbyWasbuiltwerewrittenbyaren’tgrownwasn’tcleanedbe形过去分词主动时态被动主

7、语be动词be(二）一般现在时带情态动词的被动语态。引入练习2。请将下列主动语态变成被动语态。1.Youcandotheworkallbyyourself.Thework_______________allbyyourself.2.Wemustplantmoretrees.Moretrees__________________.3.Weshoulddigalargehole.Alargehole______________.4.Canweputourbikeshere?_____ourbikes_________here?5.