1、Unit 3 The world of sciencePeriod 3Using language語法精析課現在完成時的被動語態【體驗悟】閱讀下面課文原句, 回答以下問題。原句1This evening, Ill be talking to Dr. Richard Fairhurst, whose new book The New Age of Invention has just been published. 原句2I guess you have been asked about the title of your book before. 原句3New inventions like

2、3D printers have been used to make replacement hearts and bone parts. 【生成得】現在完成時的被動語態基本構成have/ has +been+_的過去分詞表達的意義說話的時候_的動作或出現的結果, 主語是行為動作的_。當主語為第三人稱單數的時候用_, 其他情況用_。及物動詞已經完成承受者hashave【研學析】. 現在完成時的被動語態的形式1. 現在完成時的被動語態的肯定式為: have/ has +been +done。The experiment has been done successfully. 這個實驗做得很成功。

3、 2. 現在完成時的被動語態的否定式為: have/ has +not +been +done。The important project has not been finished until now. 那項重要的項目直到現在還沒有完成。3. 現在完成時的被動語態的一般疑問句需將have /has提到主語的前面。Has his bike been repaired? 他的自行車修好了嗎? 4. 現在完成時的被動語態的特殊疑問句為: 疑問詞+have /has +been +done? Who has been invited? 誰受到了邀請? 【內化用】This book _many lan

4、guages. 這本書已被譯為多國語言。These flowers _, so you can go home. 這些花已經被澆過水了, 你可以回家了。His bikes _. 他的自行車已經都賣完了。has been translated intohave been wateredhave been sold out. 現在完成時的被動語態的用法1. 表示動作已經完成, 強調對現在造成的影響或結果, 經常與一些副詞連用, 如already, ever, never, recently, lately, just, yet等, 通常把這些副詞放在助動詞have或has的后面, 有時候也可以放在

5、句末。Toms novel has not been published yet. 湯姆的小說還沒有出版。2. 表示一直持續到現在的動作或狀態, 經常與for a time, since, how long, so far等表示一段時間的時間狀語連用。The child has been taken care of by Grandma all these years. 這些年來, 孩子一直由奶奶照看。The friendly relations and cooperation between our two countries have been enhanced in the past few years. 我們兩國之間的友好合作關系在近幾年得到了加強。【內化用】 語法填空Enough _(say)here on this question. Many of the worlds greatest cities _(build)on the banks of rivers. No books _(buy)since last month. has been saidhave been builthave been bought【常溫故勤總結】現在完成時的被動語態的用法1. 表示被動的動