还没/ 不……就   B happens even before A
      This pattern is used to emphasize that something happens even before the one that should take place ahead.还is followed by a negative statement in this pattern, and both 还and 就 are adverbs followed by verb phrases. This sentence can have one or two subject. 
                    Subj1 + 还没/不 + VP(subj2)+ 就 + VP  Example:  1. 李经理还没学英语就开始跟美国商人做生意了。  Manager Li started doing business with Americans even before he knew how to speak English .  2. 中国还没入世,史密斯先生就到中国来投资了。  Mr. Smith had invested in China even before China joined the WTO. 
  Substitutive drills:  
|  大卫 | 
 还没 | 
  到香港 | 
  就 | 
 兑换了很多港币。 |  
|  李小姐 | 
  到北京, | 
 收到了北京公司的宴会邀请。  |  
|  中国 | 
 入世,  | 
 外商  | 
 开始在中国做生意。 |  
|  王总裁 | 
 到美国, | 
 接到了美国贸易公司的订货单。  |  
|  工厂 | 
 出货, | 
 厂长 | 
 收到了订货公司的第一笔定金。  |  
|  秘书 | 
 到, | 
 会议 | 
 开始了。  |   
   |