Unit-4-Wildlife-Protection现在进行时被动语态(学生版

1、现在进行时的被动语态The passive voice of present progressive一温故而知新1. 用所给单词的适当形式填空1) The task is to _ _ (finish) in 10 minutes.2) If you break the rules, you will _ _ (punish).3) My bike _ _ _ (leave) at school, so I have to take the bus to school today. 4) My computer _ _ _ （repair）already归纳：这是U2,U3我们学过的 ， （时

2、态）的被动语态。2. 复习现在进行时的主动语态1) Tom and his father are hunting deer in the forest now. 结构：_, be应为助动词,它应与主语的人称和数保持一致。2)用法：表示现在( 指说话人说话时) 正在发生的事情。 如：They (play) basketball now.表示现阶段正在进行的动作，说话时动作未必正在进行。且此时有this week, these days等时间状语，这时常用现在进行时， 如： We (make) model planes these days.已经确定或安排好的将来活动。(常用于表示“位移”的动词：

3、come, leave, arrive, fly等) 如：They (leave) for New York tomorrow. 明天他们将要动身前往纽约。二. 现在完成时被动语态的构成句式例句构成肯定句She is being examined by a doctor now. be being done否定句Some animals are not being protected well enough these years.一般疑问句Is this bridge being repaired now?特殊疑问句How many bridges are being built in Hu

4、azhou right now?归纳：:现在进行时的被动语态由 + + 构成，助动词 必须与主语在人称和数上保持一致。常和时间状语：now, at this time, these days等连用。注意: 不可遗漏being, 如果把being漏掉，就成为一般现在时的被动语态或系表结构。Eg: Look, the children are being taken care of by their aunt. (现在的情况） Children are taken good care of at school. (通常的情况）练习：1. those TV sets these days? (che

5、ck)这些天，那些电视机正在被检测吗？2. We are sorry to know that the endangered animals _ _ _well now. (没有被保护好)3. New functions to the cell phones these years.新的功能正在往手机上添加。4. The report (正在被写) by one of the best students. 5. The report well .(写得好)三.用法1. 表示说话时刻正在进行的被动动作She is being interviewed at this moment.2. 表示现阶段

6、正在进行的被动动作，但此动作不一定在此时此刻发生。A new station is being built these days . 3.表示经常性的被动行为，常和always, often, constantly 等词连用。(带有赞扬，讨厌等感情色彩) He is always being praised by the teacher.4. 有些“介词+名词”结构可表示现在进行时的被动意义。记住下列短语：on show被展出， in use使用中， under protection正在被保护， under repair正在维修中， under discussion在讨论中， under re

7、search正在被研究， under consideration在考虑中， under development正在开发。The problem is under discussion at the meeting now.= The problem is being discussed at the meeting now.练习：The telephone is in use. = The telephone 四.综合练习：（一）用所给词的适当形式填空1.Look,The car （repair）2. A new film (show) in the theater now.3. a comp

8、uter center for the students these days? (build)4. The problem is （discuss）at the meeting now.5. Some animals (not protect)well enough these years. （二）选择1. Boys and girls _ equally in India now.A. are not being treated B. has not been treated C. will not be treated D. are not treated2. The patient _ by the nurse at the moment.A. is being taken care B. is being taken care of C. was taken care of D. take care 3. The world_ by man himself these years.A. is being destroyed B. are being destroyed C. has been destroyed D. will be destroyed4. She is constan