高中英语 Module 4 Great Scientists Section Ⅲ Grammar-复习被动语态和by＋v教学案 外研版必修4-外研版高一必修4英语教学案VIP专享

Module 4 Great Scientists Section Ⅲ Grammar-复习被动语态和by＋v 语法图解探究发现①Rice is also grown in many other Asian countries.②Researchers were brought in from all over China to develop the new system.③The research was supported by the government.④In Pakistan rice will be grown in many parts of the country.⑤The new hybrid rice has been developedby the Yuan Longping Hightech Agricultural Company of China.⑥The shop closesat 6：00 pm every day.⑦The apple tastesgood.⑧The new product by the company sells well.⑨Open the door by windingthe handle.⑩People usually greet each other by shaking hands.[我的发现](1)① 句采用了一般现在时的被动语态，其构成形式为：am/is/are ＋ done 。(2)②③ 句采用了一般过去时的被动语态，其构成形式为：was/were ＋ done 。(3)④⑤ 句分别用了一般将来时和现在完成时的被动语态。(4)⑥⑦⑧ 句中谓语动词以主动形式表示被动意义。(5)⑨⑩ 句中，by＋v.ing 形式表示通过……方式。一、被动语态被动语态表示主语为动作的承受者，只有及物动词才有被动语态，被动语态由“be＋及物动词的过去分词”构成。1．各种时态的被动语态的构成(1)一般现在时被动语态的构成：am/is/are＋doneBefore you leave the lab，make sure the electricity is turned off and the windows are shut.在你离开实验室之前，要确保电源被切断，窗户被关好。(2)一般过去时被动语态的构成：was/were＋doneThe foreign guests were given a warm welcome by the children.孩子们热烈地欢迎外宾。(3)一般将来时被动语态的构成：shall/will＋be＋doneMore space explorations will be made in the future by the Chinese people.中国人民在将来将进行更多的太空探索。(4)现在进行时被动语态的构成：am/is/are＋being＋doneThey are living with their parents for the moment because their own house is being rebuilt.他们现在暂时和父母一起居住，因为他们自己的房子正在重建。(5)过去进行时被动语态的构成：was/were＋ being＋doneAfter school we went to the readingroom to do some reading, only to...