考博英语常见语法3

非谓语动词 rCEyQ)R_}  
动名词、分词、不定式。 4IK(7  
主动或被动。(doing/done, to do /to be done) /A\8 mL8  
发生在谓语动词之前还是之后。(doing/ having done /having been done, to do/to have done /to have been) B kAm/R
 
To在什么情况下作介词，什么情况下作不定式引导词。 uo:J\E  
真题剖析 1y&\5kB  
(2000) … In the inner cities of America, newspapers regularly report on newborn babies　60　into garbage bins by drug-addicted mothers. e)IzQ7Zex  
60. A. dropped　B. to drop　C. dropping　D.drops te`$%NRl  
(2001.3) A heroin addict, for instance, leads a　59　life: his increasing need for heroin in increasing doses prevents him from working, from maintaining relationships, from developing in human ways.　 u~N?NW Q  
59. A. destructive　 B. dissatisfied　　C. damaged　　 D. derivative