高中英语被动语态导学案

被动语态导学案【教学目标】：1. 被动语态的基本结构：be + 及物动词的过去分词；（B,C） 2. 熟练掌握不同时态被动语态的结构及用法。(A)【教学重点】：不同时态被动语态的结构及用法。教学难点：被动语态的时态，人称和数的变化主要体现在be动词的变化上。【学生探究一】：不同时态下被动语态的使用一般现在时: I am needed to have the Doctors degree for this job. This movie is called Titanic.Visitors are requested not to touch the exhibits. 总结：一般现在时态被动语态的结构: am/is/are+ done一般过去式：I was given ten minutes to decide whether I should reject the offer. They were sent to the flooding area to help the people there. 总结:一般过去式时态被动语态的结构： was/were+done一般将来时：Hundreds of jobs will be lost if the factory closes. You will be paid for what you have done. 总结：一般将来时的被动语态 will/shall +be +done过去将来时：The news would be sent to the soldiers mother as soon as it arrived. 总结：过去将来时态的被动语态：would+be+done现在进行时态： I am being interviewed by the manager now. A new cinema is being built now. These rules are being enforced by the government. 总结：现在进行时态的被动语态：am/is/are+being+done过去进行时态：A meeting was being held when I arrived there. These endangered animals were being protected by the conversation centers.现在完成时态：All the preparations for the project have been completed ,and were ready to start.A panda has been sent to America to promote the friendship between China and America. 总结：现在完成时态的被动语态：have/has+ been+done过去完成时态：By the end of last year, a new gym had been built in our city. When I arrived there, the meeting had been wrapped up.总结：过去完成时态的被动语态：had+been+done【学生探究二】：何时用被动语态？1. 不知道或没有必要指出谁是动作的执行者。The bridge was built last year.2. 当强调动作的承受者时。The tiger was killed by him.3. 当动作的执行者不是人时。The window was blown by the wind.4. 为了句子结构的需要。He was 10 years old and brought up in China.【自我检测】一.单句改错。(B,C)1. More than a hundred students in that school were sending abroad to study medicine last year.2. According to the art dealer, the painting is expecting to go for at least a million dollars.3. The mayor says that all construction work for the games will have completed by 2020.4. More patients have treated in hospital this year than last year.5. -Your position will be keeping for your return. -Thanks.6. Consumers are asked to make sure that they have given the right changes before leaving the shop.7. - I dont suppose the police know who did it.-Well ,surprisingly they do.A man has been arrested and is questioned now.8. The moment the Olympic Games declared open, the whole world cheered.(2） .用所给动词的正确行使填空。1. -Why did you leave that position? -I (offer)a better job at IBM.2.It is said that the early European playing-cards (design)for entertainment and education.3.The construction of two railway lines (complete) by now.4.When he turned professional at the age of 11,Mike (expect)to become a world champion by his coach and parents.5.If Ne