一、语法指南
现在进行时表将来时的被动语态
1.现在进行时的被动语态的基本结构
    
        
            | 
             肯定结构 
             | 
            
             be (am/is/are) being done 
             | 
        
        
            | 
             否定结构 
             | 
            
             be (am/is/are) +not+being   done 
             | 
        
        
            | 
             一般疑问结构 
             | 
            
             be (am/is/are) +主语+being   done 
             | 
        
        
            | 
             特殊疑问结构 
             | 
            
             特殊疑问词+be (am/is/are)   +主语+being done 
             | 
        
    
 
*The plan is being discussed at the meeting now.
现在这个计划正在讨论过程中。
A new law is being made to prevent endangered animals from extinction.
为了阻止濒危动物的灭绝,新的法律正在制定中。
*Workers are cutting down some trees in the park.
→Some trees are being cut down by workers in the park. (被动语态)
→Where are some trees being cut down by workers?(特殊疑问句)