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1、人教九年级英语人教九年级英语 Unit 6 When was it invented?Self CheckSelf Checkinventdoubtmention nearly websiteall of a sudden1. Complete the passage with the correct forms of the words in the box. It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may _ t
2、hings which are _ the same. Its hard to tell who came up with the idea first. Some inventions can also lead to other inventions _. So some people _ whether the inventor came up with the idea himself or herself. They think that the inventor used someone elses idea to create his or her invention. That
3、 is why books or _ usually _ more than one inventor when giving information about inventions.inventnearlyall of a suddendoubtedwebsitemention 语语法法重重点点一一So some people doubted whether the inventor came up with the idea him-self or herself. (1)该句是包含该句是包含宾语从句的主从复合句宾语从句的主从复合句。这。这样的结构要注意样的结构要注意主句主句如果是如果是
4、过去时态过去时态，从从句句一般要用相应的一般要用相应的过去时态过去时态（客观事实除（客观事实除外）外）。 如：如：Last class our physics teacher said that the moon goes around the sun. He said he would go back home nextmonth. 语语法法重重点点一一(2) come up with 想出想出 注意类似词组注意类似词组catch up with 赶上赶上keep up with 紧跟紧跟。I want to catch up with him in English study. Dont
5、fall behind ,keep up with the others. 2.Rewrite these sentences using the passive voice. 1. Someone stole my watch. _2. They used five eggs to make this big cake. _3. When did they invent the personal computer? _4. They asked us not to run in the hallway. _5. Someone took the video back to the store
6、. _My watch was stolen by someone . Five eggs were used to make this big cake.When was the personal computer invented?We were asked not to run in the hallway.The video was taken back to the store .3. Find out information about an invention you would like to know more about and write sentences below.
7、Invention_When_Who_ Purpose _语法复习语法复习一般过去时的被动语态一般过去时的被动语态一、一、一般过去时被动语态一般过去时被动语态的用法的用法 一般过去时被动语态一般过去时被动语态表示过去表示过去经常性经常性、习惯性习惯性被动动作或过去某一时刻发生的被动性动作。其结被动动作或过去某一时刻发生的被动性动作。其结构为：构为：主语主语(动作承受者动作承受者) + was / were + 过去分过去分词词(+ by + 动作发出者动作发出者)构成构成,其否定形式其否定形式was/were后加后加not。如：如：I was taught by Miss Zhao last
8、year. Those letters were written by a famous writer. 【注意】【注意】被动语态还可用于：被动语态还可用于：强调动作的承受者强调动作的承受者，而不，而不强调动作的执行者。强调动作的执行者。如：如：The window was broken by Mike. This book was written by him.二、主动语态变被动语态的方法二、主动语态变被动语态的方法(1)(1)把把主动语态的宾语主动语态的宾语变为变为被动语态的主语被动语态的主语。(2)(2)把把谓语谓语变成变成被动结构被动结构( (be过去分词过去分词) () (根据被动语
9、根据被动语态句子里的主语的态句子里的主语的人称人称和和数数，以及原来主动语态句子，以及原来主动语态句子中动词的中动词的时态时态来决定来决定be的形式的形式) )。语法复习语法复习(3)把主把主动语态动语态中的中的主主语语放在放在介介词词by之后作之后作宾语宾语,将将主主格格改改为为宾宾格格。All the people (主主语语：动动作的作的发发出者出者)laughed at him（宾语宾语：动动作的承受者）作的承受者）. He（主（主语语：动动作的作的发发出者）出者）was laughed at by all the people.（宾语宾语：动动作的承受者）作的承受者）小结训练：小结训
10、练：(2013河北河北）1. Annie _ to the party. She had a wonderful time with us. A. invites B. is invited C. was invited D. has invited(2013玉林玉林)2. Many houses _ in the earthquake of April 20, 2013 in Yaan. A. is destroyed B. are destroyed C was destroyed D. were destroyed(2013泰州泰州)3. “Frog”， Mo Yans latest n
11、ovel, please! Sorry, it _ just now. But it will come out again soon. A. sold out B. is sold out C. has sold out D. was sold outC D D小结训练：小结训练：(2013雅安雅安) 4. 一一Who designed this game? 一一It _ by Tom in 1999. A. is designed B. designs C. was designed D. designed(2013临临沂沂) 5. Do you know Earth Day?Sure. It _ in 1970 to tell us to protect our planet. A. sets up B. set up C. is set up D. was set up(2013 衢州衢州) 6. Lots of food and water _ Yaan, Sichuan Province immediately after the earthquake happened.A. were sent B. are sent C. send D. sentCDA1. 完成课时作业。完成课时作业。2. 熟读并背诵熟读并背诵Self Check 1。
