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    16.8 It is (high) time that
  
      
  
      
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      It is (high) time that 后面的從句謂語動(dòng)詞要用過去式或用should加動(dòng)詞原形，但should不可省略。
      
　 
It is time that the children went to bed.      
      
　 
It is high time that the children should go to bed.      
      		
  
      

      

      

      

      

      

      

      

      

      

      

      

      



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