在线英语听力室

【简明语法】11.27 时态一致

时间：2005-09-20 16:00:00

（单词翻译:单击）


　 1) 如果从句所叙述的为真理或不变的事实，则永远用现在时。
　At that time, people did not know that the earth moves.
　He told me last week that he is eighteen.


　 2) 宾语从句中的助动词ought, need, must, dare1 时态是不变的。
　He thought that I need not tell you the truth.
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1 dare qybxH     
n.敢，挑战；aux.敢；vi.敢；vt.敢于，勇于面对
参考例句：
  • He didn't dare to look at her in the face.他不敢正眼看她。
  • How dare you?Take your hand off me at once.放肆！马上把你的手挪开。