palaces into museums.
Group B
1. Our homework has been finished by us. 2. The Great Wall has been visited by many visitors. 3.Two films have been seen by Mike since last month. 4. These palace have been turned into museums.
分析: A组强调动作的执行者,是主动语态, 结构:主谓宾,
相同点:两组都是完成时态, 结构: have/has+过去分词
B组的句子强调动作的承受者, 是被动语态. 相同点: 两组都是完成时态 结构: 助动词 have/has been +过去分词
Have/ has been Ved 现在完成时的被动语态 1.The new bridge over the Yellow River has just been completed.
2.Many more buildings have been built in the past ten years. 表示到现在为止已经完成的某个被动的动作 1.被动语态介词固定搭配不能省略。 He has thought of a way of solving the problem.
Eg. The accident which happened yesterday surprised me. =A way of solving the problem has been thought of. 2.break out/ happen/ take place/ arrive/ become/ die/ disappear etc 不及物动词没有被动语态 3.带双宾语的动词give /send/bring/ take/teach/show/ tell/ make/ sing/ write/ sell/buy/ ask/ pay/ borrow/ lend/ hand/ offer/provide/ past/get/promise 变被动语态有两种方法: (2)=The book has been given to him. (1)=He has been given the book. Eg. I have given him the book. (2) =We have been offered the most comfortable service by him. He has offered us the most comfortable service. (1) =The most comfortable service has been offered to us by him. Change the following sentences into the present perfect passive voice. Put the verbs into the correct form. We have bought a new personal computer.
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