Under the sea电子课件1 2.pptVIP

Unit 3 Under the sea Period 3 Grammar Writing 课件（人教新课标选修7，课标通用）; ;一、意义 1．一般时表示一个被动的动作正在进行或与谓语动词所表示的动作同时发生。 That building being repaired is our library. 正在维修的那座大楼是我们的图书馆。 She insisted on being given the hardest work. 她坚持被派给最艰苦的工作。;2．完成时表示的动作发生在谓语动词所表示的动作之前。 Having been invited, Mr.Li went there to make a speech though he was busy. 被邀请后，李先生尽管很忙，还是去了那儿做了演讲。 I appreciated having been given the chance to study abroad two years ago. 我非常感谢两年前获得了去国外学习的机会。;功能 主语 Being laughed at in public is a terrible experience. 在公共场合被嘲笑是一次非常不愉快的经历。 Being exposed to the sunlight is harmful to health. 暴晒在太阳下对健康有害。;宾语 You cant eat anything before being operated on. 在动手术之前你不能吃任何东西。 I forget once being taken to the sea when I was young. 我忘了小时候曾被带到海边。;【温馨提示】;want(需要)，need，require用动名词的主动式表示被动时，也可改为用不定式的被动式表达同样的意义。 This sentence needs improving. ＝ This sentence needs to be improved. 这个句子需要改。 My hair wants cutting. ＝ My hair wants to be cut.我的头发需要理了。;定语 The meeting being held now is very important. 现在正在召开的会议非常重要。 【温馨提示】　动词-ing形式的被动形式表示一个被动的动作正在进行；过去分词表示一个被动的动作已经发生；不定式的被动式表示将来的一个被动的动作。 a meeting being held now现在正在举行的会议 a meeting held yesterday昨天举行的一个会议 a meeting to be held tomorrow 明天将会举行的会议;4．宾补 He often watched the boats being unloaded. 他常常看到轮船卸货。 5．状语 Being asked to give a performance, she couldnt very well refuse. 有人请她表演一个节目，她不好拒绝。 Having been told many times, he still repeated the same mistakes. 被告知多次了，他仍然犯同样的错误。;否定形式 动词-ing形式被动式的否定形式，是在其前面加not。 He was unhappy for not having been invited to the party. 没有被邀请参加聚会，他感到很不高兴。;四、动词-ing形式被动式的复合结构 当动词-ing形式被动式的逻辑主语与句子的主语不一致时，要在动词-ing形式之前加上物主代词或名词所有格(整个复合结构不作主语时，可用人称代词宾格代替物主代词，名词普通格代替名词所有格)，其中物主代词(名词所有格)是逻辑上的主语，动词-ing形式是逻辑上的谓语。 ;I am very pleased at you/your having been honored with a medal. 很高兴你能获得一枚奖牌。 The decision having been made, the next problem was how to make a good plan. 决定已经做出，下一个问题就是如何制定一个好的规划了。;【感悟高考】 1．China recently tightened its waters co