時間介系詞 
  
  (Prepositions of Time): at,on,和 
  
  in
  我們使用 
  at 來指定特定的時間:
  
    
      
        | 
          
          The train 
          is due 
          
          at 
          14:25 p.m.  | 
    
   
  我們使用 
  on 來指定日期:
  
    
      
        | 
          
          My brother 
          is coming 
          
          on 
          Sunday. 
          
          We're having a party 
          
          on 
          the Tenth of October.  | 
    
   
  我們使用 
  in 來指定一天、一月、一季或一年中非特定的時間:
  
    
      
        | 
          
          She likes 
          to jog 
          
          in 
          the morning. 
          It's too 
          cold 
          
          in 
          winter to run outside. 
          He started 
          the job 
          in 
          1982. 
          
          He's going to quit 
          
          in 
          July. | 
    
   
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