必修2 Unit 4 Wildlife protection 学案5.doc

必修2 Unit 4 Wildlife protection 学案五 一．学习目标： 知识目标：1.To understand the present progressive passive voice 2. To know the following words and phrases 技能目标：To make sentences with the present progressive passive voice 情感目标：To build love for wildlife protection. 二．自主学习： 现在进行时的被动语态。 基本用法： 当把现在进行时主动语态的句子变为被动语态时，往往在be动词后加上一个being来体现现在进行时，然后再把动词的现在分词形式变成过去分词来表示被动，即：be ( am / is / are )+being +done. 点津 ： be动词的选择要和前面的主语保持一致。 现在进行时的被动语态用用法。 表示此时此刻正在进行的被动的动作。 My sister is now being interviewed. 我妹妹正在面试。 Yao Ming is now being treated in China. 姚明正在中国接受治疗. 2. 表示现阶段正在进行的被动的动作。 Preparations are being made for the 2012 Olympic Games in London. 伦敦正在为2012年的奥运会做准备。 Many interesting experiments are being carried out these days. 这些天正在进行着许多有趣的实验。（说话时，并一定正在进行） It is reported that the tomb in Henan is still being dug. 据报道河南的那个墓仍然正在挖掘中。 表示反复进行的被动的动作。 Always , frequently, constantly等和现在进行时的被动语态连用表示反复进行的被动的动作，这种动词形式常用来表示赞扬或厌恶的感情色彩。 What makes me angry is that the goods in my shop are always being stolen. 使我生气的是我店里的商品总是被偷走。 If feel very surprised that the window of our classroom is frequently being broken. 我感到很吃惊的是我们教室的那扇窗户经常被打破。 使用现在进行时的被动语态要请注意的问题。 不可漏掉being 若漏掉，则成为一般现在时的被动语态或系表结构。 Look! The children are being taken care of by their aunt. 瞧！那些女孩子正由他们的姑妈照看着。 Children are taken good care of at school. 孩子们在学校被照看得很好。（指通常情况） The report is being written by one of the best students. 报告正由一个最好的学生写着呢。 The report is well written. 这个报告写得很好。（系表结构） 可与部分情态动词连用，表示对正在发生的事情的推测。 She may be being punished by her mother. 她也许正被母亲惩罚着。 3. 有时可表示按计划或安排将要进行的一个被动动作。 A celebration is being held this weekend for his success. 这个周末将为他的成功举办庆祝会。 某些表示“状态，心理活动，存在”等的动词，如have，want, need, love, 一般不用现在进行时的被动语态，而常用一般现在时的被动语态。 With the population increasing, more land is needed. 随着人口的增长，需要更多铁土地。 Bruce Li is still loved by many young people. 李小龙仍然受着很多青年人的喜爱。 5. “be + under / in --- + n.” 可表示现在进行时的被动意义。 The problem is under discussion at the meeting. =The problem is being discussed at the meeting. 这个问题正在会议上讨论。 This life is in