<p>现在进行时的被动语态</p><p>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。</p><p>一．现在进行时被动语态的构成</p><p>1．肯定形式：主语+am/is/are＋being＋过去分词</p><p> </p><p>The house is being painted. 房子正在被粉刷。</p><p> </p><p>2. 否定形式: 主语+am/is/are＋not＋being＋过去分词</p><p> </p><p>The trees are not being watered.</p><p>树木没有正在被浇水。</p><p>3. 疑问形式: Am/Is/Are＋主语＋being＋过去分词？</p><p>Is the bridge being built in the village?</p><p>村子里的桥正在被修吗？</p><p> </p><p>二．主动语态变被动语态的方法:</p><p>1.将主动语态的宾语变为被动语态的主语。</p><p>2.将主动谓语变为被动谓语(am/is/are＋being+过去分词)。</p><p>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)。</p><p> </p><p>Scientists are studying the new disease</p><p>主语 谓语 宾语</p><p>at present.</p><p> </p><p>→The new disease is being studied at present</p><p> 主语 谓语</p><p>by scientists.</p><p>状语</p><p>They are building nine parks.</p><p>主语 谓语 宾语</p><p>→Nine parks are being built (by them). </p><p>主语 谓语 状语</p><p>【巩固练习】</p><p>一．将下列主动句变为被动句</p><p>1.Hunters are hunting African elephants.</p><p>2.The reporter is interviewing Mary now.</p><p>3. Look! Her aunt is taking care of thebaby.</p><p>4. The workers are setting up a lot ofbuildings, and people will move next year.</p><p>5.He is writing the alarming report , and itwill be finished soon.</p><p>6. Look! A snake is swallowing a frog overthere.</p><p>7. Right now, many volunteers are watching overthe deer .</p><p>8. I'm working at home today because theyare painting my office.</p><p>9. Hunters are hunting these animals atsuch a speed that they will disappear soon.</p><p>10. We are protecting the old trees becausethey are the natural habitat for songbirds.</p><p>二、用所给动词的正确形式填空。</p><p>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 school, I often went there with my friends towatch 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 andsnakes 3 ____________ (kill) for food in restaurants. And 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?</p><p>【参考答案】</p><p>一．1. African elephants are being hunted by hunters .</p><p>2.Mary is being interview by the reporternow .</p><p>3. Look! The baby is being taken care of byher aunt.</p><p>4.A lot of tall buildings are being set upby the workers, and people will move next year.</p><p>5.The alarming report is being written, andit will be finished soon.</p><p>6. Look! A frog is being swallowed by asnake over there.</p><p>7. Right now, the deer are being watchedover by many volunteers.</p><p>8. I'm working at home today because myoffice is being painted.</p><p>9.These animals are being hunted at such aspeed that they will disappear soon.</p><p>10.The old trees are being protected becausethey are the natural habitat for songbirds.</p><p>二．1. are being caught 2. are being sold </p><p>3. are being killed 4. is being destroyed </p><p>5. are covered 6. is being polluted</p>