九年级英语全册 Unit 5 What are the shirts made of（第3课时）Section A（Grammar Focus-4c） （新版）人教新目标版.ppt

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1、第三课时Section A(Grammar Focus4c)Unit 5What are the shirts made of?单元同步语法精讲一、主动语态与被动语态语态是英语句子中表明句子主语与谓语之间动作关系的一个概念，具体分为主动语态与被动语态两种。主动语态表明的是“句子谓语动作是由主语发出，即主语是谓语动作的执行者”这一种主谓关系。而被动语态表明的则是“句子谓语动作不是由主语发出的，主语反而是谓语动作的承受者”这一种主谓关系。eg：Many people speak English.许多人讲英语。(主动语态，主语“Many people”是谓语动作“speak”的执行者)English

2、 is spoken by many people.英语被许多人讲。(被动语态，主语“English”是谓语动作“is spoken”的承受者)二、一般现在时的被动语态一般现在时的被动语态其谓语结构为：am/is/are及物动词的过去分词1肯定句结构为：主语am/is/are及物动词的过去分词其他。eg：Farm machines are made in the factory.农用机械在那个工厂被制造。2否定句结构为：主语am/is/arenot及物动词的过去分词其他。eg：Farm machine are not made in the factory.农用机械没有在那个工厂被制造。3一般

3、疑问句结构为：Am/Is/Are主语及物动词的过去分词其他？eg：Are farm machines made in the factory？农用机械是在那个工厂被制造的吗？【注意】happen，belong to，have，cost，last，own，stay等一般不用被动语态。taste，sound，prove，feel，look，smell等系动词常用主动形式表示被动意义。除此之外，read，sell，wash，write等动词用来说明主语的性质特征时，也常用主动形式表示被动意义。单元同步语法精练一、根据句意用所给词的适当形式填空。1The letter _(write)in Engli

4、sh.2Shanxi _well _(know)for The Qiaos Family Compound(乔家大院)3The trees _(cover)by snow yesterday.4Many boys _(invite)to the party last Sunday.5Our classroom _(clean)by the students every day.was_writtenisknownwere_coveredwere_invitedis_cleaned二、单项选择。6Why does the earth look blue in space?Because most

5、 of the earths surface _ by water.(2016，黄石)AcoversBis coveredCcover Dare covered7Students do less homework now.Usually it _ before 9 oclock in the evening.(2016，重庆)Afinishes BfinishedCis finished Dwas finishedBC8Your classroom is so clean.(2016，绵阳)Of course.It _ every day.Ais cleaned Bwas cleanedCcl

6、eans Dcleaned 9A lot of trees _ around here every year and we can enjoy fresher air now.Aplant Bis plantedCwere planted Dare plantedAD10More chances_for stu dents to learn from each other if working in groups.(2016，泰安)Aprovide Bare providedCprovided Dwill provideB三、将下列句子改为被动语态的句子。11People grow rice

7、in the southern part of China.Rice _in the southern part of China.12Dad buy me a toy player every year.A toy _every year by Dad.13Where does he plant trees in spring?Where _in spring by him?is grownis bought for meare trees planted14His mother doesnt allow him to go out.He _go out by his mother.15Many travelers visit the Great Wall every year.The Great Wall _by many travelers every year.isnt allowed tois visited