第六节 非谓语动词
考点一  非谓语动词的时态和语态(以do为例)
    
        
            |   | 主动形式 | 被动形式 | 
        
            | 动词不 定式 | 一般式 | to do | to be done | 
        
            | 进行式 | to be doing |   | 
        
            | 完成式 | to have done | to have been done | 
        
            | 完成进行式 | to have been doing |   | 
        
            | 动词ing形式 | 一般式 | doing | being done | 
        
            | 完成式 | having done | having been done | 
        
            | 过去分词 | 只有一种形式done |   | 
    
 
 
考点二  非谓语动词作状语
1.不定式作状语
(1)作目的状语,有时用in order to或so as to。
To be a winner,you need to give all you have and try your best.
要想成为赢家,你要付出所有并竭尽全力。
(2)作结果状语,常用结构enough to,too...to ...,only to等。
I'm too tired to stay up any longer.
我太累了,不能再熬夜了。
(3)作原因状语,此时常与表示情感的形容词连用,如glad,happy,frightened,surprised等。
I'm very glad to meet you here.
在这儿遇见你我真高兴。
[名师点津] 在“主语+系动词+形容词+to do”的结构中,常用主动形式表示被动含义。