Book-2-Unit-4-Grammar-现在进行时的被动语态

1、Book 2 Unit 4 Grammar 现在进行时的被动语态一 现在进行时的被动语态的构成：be + being + 过去分词My new house is being decorated. 我的新房子正在被装修。Money is being collected for the Hope Project. 捐给希望工程的钱正在收集。二 现在进行时的被动语态的形式：1 肯定式：主语 + be + being + 过去分词 + 其他Another bridge is being built over the Changjiang River. 长江上一座桥正在被修建。2 否定式：主语 + be

2、 + not + being + 过去分词 + 其他The engineer is not being treated fairly. 目前这位工程师没有受到公平的待遇。3 一般疑问式: Be + 主语 + being + 过去分词 + 其他？Is the life of pandas being studied by the scientists? 熊猫的生活正在被科学家研究吗？4 特殊疑问式：特殊疑问词 + be + 主语 + being + 过去分词 + 其他？Where is the new science lab being built? 新的科技馆正在哪里建造？三 现在进行时的被动

3、语态的用法1 表示现在时刻正在进行的被动动作。The injured people are being examined by the doctor. 伤者正在被医生检查。When I return, the bike is still being repaired. 当我回来的时候，自行车还在修理。2 表示现阶段正在进行的被动动作，但此时此刻这动作不一定正在发生。Several new high roads are being built. 几条新的高速公路在正建设中。3 表示一种经常性的被动行为，常与always, constantly等连用，往往带有夸奖、埋怨、讨厌等感情色彩。Littl

4、e Mary is always being praised by the teacher. 小玛丽总是被老师表扬。4 可与情态动词连用，表示说话者对正在发生的被动行为的推测。- Where is Tom? - He may be being interviewed in the office. 他可能正在办公室里接受面试。练习一：选择题1. I dont suppose the police know who did it. Well, surprisingly they do. A man has been arrested and _now.A. has being questioned

5、 B. is questioning C. has questioned D. is being questioned2. A new cinema _ here. They hope to finish it next month. A. will be built B. is built C. has been built D. is being built3. Selecting a mobile phone for personal use is no easy task because technology _ so rapidly. A. is changing B. has ch

6、anged C. will have changed D. will change4. Rainforests _ and burned at near future. A. cut B. are cut C. are being cut D. had been cut5. I dont know what time it is now. My watch _ . A. is repairing B. has been repaired C. is being repaired D. has repaired6. It is said that pandas _ in our country

7、year after year.A. are being disappeared B. are disappearing C. will be disappeared D. will disappear7. With more forests being destroyed, huge quantities of good earth _ each year.A. is washing away B. is being washed awayC. are washing away D. are being washed away8. Are we about to have dinner? Y

8、es, it _ in the dinning room.A. is serving B. is being served C. has been serving D. serves练习二：将下列句子改为被动结构1. They are painting our classroom. 2. Many people are always asking him silly questions. 3. They are frequently disturbing me. 4. What I am telling you is the truth. 5. I am always losing my glasses. 答案：练习一：DDACC BDB练习二：1. Our classroom is being painted by them.2. He is always being asked silly questions.3. I am frequently being dis