Periods 5&6 Grammar 现在完成时的被动语态【学习目标】了解现在完成时的被动语态在具体语境中的运用。一【自主预习】I. 现在完成时的基本概念：来源:.Com现在完成时的构成 _现在完成时常用时间状语_被动语态的基本构成 _现在完成时的被动语态的构成_II.【观察归纳】1. Your computer has been repaired.2. The desks havent been cleaned.3. Has the door been painted ?归纳：肯定式_ 否定式 _ 疑问式 _III. 【研读思考】 1. The problem has already been solved. (某事物已经受到某种影响或某种处理) 2. Jane has been told the news, so you neednt call her. (人或物已经被动地接受某行为或某处理) 3. The plan has been discussed for nearly 2 hours.(发生在过去，一直延续到现在并可能继续持续下去的被动动作或状态) 4. You shouldnt leave school before your homework has been finished.(在时间或条件状语从句中，用现在完成时的被动语态代替将来完成时的被动语态)IV. 注意事项1. 现在完成时的被动语态的两个助动词have /has和been缺一不可。2. 带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, sell, buy, ask, pay, borrow, lend, offer, hand, pass, get, promise等，变为被动语态时，可将其中一个宾语变为主语，另一个保持不变。 主动：He has sent me an e-mail. 被动：I _. / An e-mail _.3.带有复合宾语（宾语+宾补）的动词变为被动语态时，只能把宾语变为主语，原宾补留在原处，省略to的不定式，被动语态中把to补上。 (1)主动：They have made Mr. White leader of the team. 被动：Mr. White _ (2)主动：We have seen him enter the hall. 被动：He _二【巩固练习】I补全句子1. A lot of factories _ (已经建立) since last year. (set)2. So far, the moon _ (参观) by man. (visit)3. In the last few years, thousands of films _ (拍摄) all over the world. (produce)4. When and where to go for the on-salary holiday _ (还未决定)yet. (decide)5. The bridges _ (被摧毁了) by the typhoon. (damage)6. - The window is very dirty. - I know. It _(没清理) for weeks . （clean）7. - Why does the Lake smell terrible? - Because large quantities of water (被污染了). (pollute)II. 慧眼纠错1. Its said that this book has translated into Chinese.2. Many problems has been found about our new computer.3. The computer has been used every day since we buy it.4. The new theater has been designing recently.6. He has been seen enter the hall.7. An email has been sent me.III将所给单词的适当形式填入空格中。Beijing plans to repair its old city wall. It _ (say) to be the citys largest ever cultural relics repair project. The wall that will be 1,600 meters long from Dongbianmen to Chongwenmen will keep the same look as the old one. The Beijing people _ (ask) by the city government to return old wall bricks, which _ (be) once used to build houses in the 1960s. So far, more than 200,000 old bricks _ (return), but two million such bricks _ (need) for the repairs.The old city wall _ (build) in the Ming Dynasty. The wall _ (badly damage) over the past years. “The repair project _ (bring) more visitors to Beijing.” a city official said, “We hope that it will make Beijing even more beautiful.”