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名词性从句与特定句型中的虚拟语气


一、表示“建议、命令、要求”的动词后宾语从句

在表示建议(suggest, advise)、命令(order, command)、要求(demand, require, request)、坚持(insist)等动词后的宾语从句及同位语从句中,谓语动词使用 (should) + 动词原形

  • The doctor suggested that he (should) get more rest.
  • It is demanded that all students (should) attend the meeting.

二、其他常见虚拟句型

  1. wish 后的宾语从句
    • 与现在相反:用一般过去时(I wish I knew the answer.
    • 与过去相反:用过去完成时(I wish I had met you earlier.
    • 与将来相反:用 would / could + do
  2. as if / as though 引导的从句:从句情况非真实时用虚拟语气。
  3. It is (high) time that + 主语 + 过去式 / should do:意为“该是做某事的时候了”。

高中英语语法知识库与高考复习指南