英语人教版九年级全册unit 5 grammar .ppt

洛阳市第55中学潘云,一般现在时的被动语态讲解与练习,(一)语态分类,英语动词有两种语态，主动语态和被动语态。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者。如：Wecleantheclassroomeveryday.(主动)Theclassroomiscleanedbyuseveryday.(被动)被动语态构成：助动词be+及物动词的过去分词,(二)被动语态的时态、人称和数的变化一般现在时：am/is/are+done一般过去时：was/were+done一般将来时：shall/will+done一般过去将来时：should/would+done现在进行时：am/is/are+being+done过去进行时：was/were+being+done现在完成时：have/has+been+done过去完成时：had+been+done将来完成时：shall/will+havebeen+done过去将来完成时：should/would+havebeen+done注被动语态没有将来进行时和过去将来进行时。,ManypeoplespeakEnglish.,3主动句与被动句之间的转换,Englishisspokenbymanypeople.,主语谓语动词主动语态宾语,主语谓语动词被动语态介词+宾语,4被动语态的几种句型,1.肯定句主语+be+过去分词+(by),Asweetsongissungbyheronthestage.,2.否定句主语+be+not+过去分词+(by),3.一般疑问句Be+主语+过去分词+(by)?,Asweetsongisntsungbyheronthestage.,Isasweetsongsungbyheronthestage?,4.特殊疑问句疑问词+be+主语+过去分词+(by)?,Whereisasweetsongsungbyher?,Doyouwateryourflowerseveryday?(变为被动句)Treesandflowersareplantedeveryyeartomakeourcountrymorebeautiful.(变为疑问句),Areyourflowerswateredbyyoueveryday?,Aretreesandflowersplantedeveryyeartomakeourcountrymorebeautiful？,5按要求改写下列句子。,3.ThisEnglishsongissungbythegirlsafterclass.改为否定句改为一般疑问句，并做肯定和否定回答对划线提问,ThisEnglishsongisnotsungbythegirlsafterclass.,IsthisEnglishsongsungbythegirlsafterclass?,WhenisthisEnglishsongsungbythegirls?,6被动语态的运用:（1）不知道谁是动作的执行者或没有必要知道谁是动作的执行者时。Thisbridgeisfoundedin1960.这座桥竣工于1960年。Whenwilltheroadbeopenedtotraffic?这条路什么时候通车?,（2）需要强调动作的承受者时。TheglassisbrokenbyMike.玻璃杯是迈克打碎的。Hewasawardedfirstprizeinthatcontest.他在比赛中获得了第一。,有时为了礼貌等原因不愿说出行为者,这时也常用被动语态。Theconstructionofthenewlabmustbecompletedbytheendofnextmonth.新实验室必须在下个月底前完工。Youarerequestedtogiveaperformance.请你给我们表演一个节目。,（3）,主动语态变为被动语态的注意事项：含有双宾语，即直接宾语(常指事物)和间接宾语(常指人)的句子，每个宾语都可变为被动语态的主语，即其被动语态有两种形式。但多以间接宾语作主语。Jacktoldusthetruth.WeweretoldthetruthbyJack.Thetruthwastold(to)usbyJack.,Rewritethesentencesusingthepassivevoice.,1.Farmersplanttheteaonthesidesofmountains._,Theteaisplantedonthesidesofmountainsbyfarmers.,2.Carelessdrivingcausesmanytrafficaccidents._3.Thepostmanbringslettersandpostcardstopeopleshome._,