牛津高一英语M4U3 Tomorrow's world学案

e.g. The new airport is being built by a foreign company.?　　

一家外国公司正在承建这座新机场。　　

  The song is being sung by the girls now.　　

过去进行时：was/were being+过去分词　　

e.g. The song was being sung by the girls when I got there.　　

   The student was being criticized when I went into the  teacher’s office.　　

将来完成时：will have been+过去分词　　

e.g. By the end of next term 2000 English words will  have been learned.　　

   The building will have been built by next year.　　

现在完成时：has/have + bee n +过去分词　　

e.g. All the tickets have been sold .　　

   The book has been translated into many languages.　　

这本书已被译成多种语言。　　

过去完成时：had been+过去分词　　

e.g. Forty schools had been visited by last year.　　

   All the tickets had been sold out when I got to the cinema.　　

过去将来完成时：would have been+过去分词　　

e.g. He said many words would have been learned by 2001.　　

   They promised that ten books would have been published  by the next month.　　

e.g. The result of the exam will be known soon.　　

    They are going to be given a difficult test.　　

第二部分：被动语态用法：　　

一．It+be+动词的过去分词+that从句。常用于这一结构的动词有：say,report,expect,prove,suppose等，该结构通常可转化为“be+过去分词+不定式”。例如：1）It is reported that they are sailing in the Pacific.-----They are reportedto be sailing in the Pacific.　　

      2)It is said that Mr.Bell invented the first telephone.-----Mr.Bell is said to have invented the first telephone.

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