人教版高中英语必修二学案:Unit 3 Computers Period 4 Learning about Language and Grammar(4页).doc
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1、-人教版高中英语必修二学案:Unit 3 Computers Period 4 Learning about Language and Grammar-第 4 页Book 2 Unit 3 Computers Period 4 Learning about Language and Grammar 编者:李兴兵 修编:毛彦芳导学目标通过对语法的教学让学生能够理解并运用现在完成时的被动语态.理解课文,能够根据课文中所提出的问题,发表自己的看法。I. 自主学习: 现在完成时的被动语态(II)二现在完成时的被动语态的各种句式1.肯定句句型:主语+ have / has been +过去分词 Her
2、motorbike has been _. 她的摩托车被偷了。The city has been swept through by heat wave recently.最近炎热横扫了这座城市。2.否定句句型:主语+ have/has +not+ been+过去分词Many _ _ have not been trained in the company.很多技术工人在那公司里没培训。His work has not been finished yet.他的工作尚未完成。3.一般疑问句句型:Have/Has +主语 + been+ 过去分词 .?Has a new computer been
3、bought? Have they been sent _(国外) to study English?Have the new booking systems for tickets been used? 新的订票制度已在使用中了吗?4.特殊疑问句句型:疑问词+ have /has + 主语+ been+过去分词 .?Where has the car been repaired?Who have been helped by the new computer? How many buildings have been built in this school? 【归纳】肯定式主语have/h
4、as been done.否定式主语have/has not been done.一般疑问式Have/Has主语been done.?特殊疑问式疑问词have/has主语been done.?三使用现在完成时的被动语态要注意以下几点1现在完成时的被动语态的两个助动词,即have/has 和 been,两者缺一不可。2与一般过去时的被动语态的区别。一般过去时的被动语态所表示的动作或状态与现在的情况没有联系,而现在完成时的被动语态则强调与现在情况的联系。This novel was finished last year. 这部小说是去年完成的。This novel has been finishe
5、d. 这部小说已经完成了。3一些特殊动词,如borrow,finish,begin,buy,start,return,marry,open,join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。4用在时间或条件状语从句中,表示将来某时要完成的动作,即用现在完成时的被动语态代替将来完成时的被动语态。You can go home as soon as your task has been finished.你的任务一完成你就可以回家了。小试牛刀:I. 句型转换 运用现在完成时的被动形式1.Theyhavebuiltmanyhousesinthevillageinthepastfewy
6、ears.Manyhouses_ inthevillageinthepastfewyears.2.Theyshouldhavecompletedtheprojectearlierthismonth.Theproject_earlierthismonth.3.Jacksbosshasalwayspraisedhimforhisdevotiontowork. Jack_byhisbossforhisdevotiontowork.4.Theyhavefoundagoodplacetobuildanestinthecommunity. Agoodplace_ _tobuildanestinthecom
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