1、2019 新人教版高中英语必修二单元同步语法 Unit 2 现在进行时的被动语态现在进行时的被动语态 现在进行时的被动语态表示“说话时或现阶段正在被干的动作” ， 主语是动作的承受者。 一现在进行时被动语态的构成 1肯定形式：主语+am/is/arebeing过去 分词 The house is being painted. 房子正在被粉刷。 2. 否定形式: 主语+am/is/arenotbeing 过去分词 The trees are not being watered. 树木没有正在被浇水。 3. 疑问形式: Am/Is/Are主语being过去 分词？ Is the bridge be
2、ing built in the village? 村子里的桥正在被修吗？ 二主动语态变被动语态的方法: 1.将主动语态的宾语变为被动语态的主 语。 2.将主动谓语变为被动谓语(am/is/are being+过去分词)。 3.将主动语态的主语变为 by 短语(在被动 句中用作状语, 若不强调动词执行者，被 动语态中的 by 短语通常可以省略)。 Scientists are studying the new disease 主语 谓语 宾语 at present. The new disease is being studied at present 主语 谓语 by scientists.
3、 状语 They are building nine parks. 主语 谓语 宾语 Nine parks are being built (by them). 主语 谓语 状语 【巩固练习】 一将下列主动句变为被动句 1.Hunters are hunting African elephants. 2.The reporter is interviewing Mary now. 3. Look! Her aunt is taking care of the baby. 4. The workers are setting up a lot of buildings, and people w
4、ill move next year. 5.He is writing the alarming report , and it will be finished soon. 6. Look! A snake is swallowing a frog over there. 7. Right now, many volunteers are watching over the deer . 8. Im working at home today because they are painting my office. 9. Hunters are hunting these animals a
5、t such a speed that they will disappear soon. 10. We are protecting the old trees because they are the natural habitat for songbirds. 二、用所给动词的正确形式填空。 In the wetland of my hometown, there are many different kinds of animals, including wild birds, fish, snakes, insects and so on. When I was in primary
6、 school, I often went there with my friends to watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years. Small birds 1_ (catch) with nets. Wild ducks 2_ (sell) at food markets. Fish and snakes 3 _ (kill) for food in restaurants. And
7、 even worse, the wetland 4_ (destroy). Some parts 5 _ _(cover) with new houses. You can see rubbish everywhere. The wetland 6_ (pollute) seriously every day. I am very worried about it. What can we do? 答案： 一1.African elephants are being hunted by hunters . 2.Mary is being interview by the reporter n
8、ow . 3. Look! The baby is being taken care of by her aunt. 4.A lot of tall buildings are being set up by the workers, and people will move next year. 5.The alarming report is being written, and it will be finished soon. 6. Look! A frog is being swallowed by a snake over there. 7. Right now, the deer
9、 are being watched over by many volunteers. 8. Im working at home today because my office is being painted. 9.These animals are being hunted at such a speed that they will disappear soon. 10.The old trees are being protected because they are the natural habitat for songbirds. 二1. are being caught 2. are being sold 3. are being killed 4. is being destroyed 5. are being covered 6. is being polluted
