v-ing used as adverbial现在分词作状语现在分词作状语1、非谓语使用条件、非谓语使用条件一个句子当中，一个句子当中，已经存在一个主句已经存在一个主句（谓语动词）（谓语动词）,又没有连词又没有连词的情况的情况下下She got off the bus,but left her handbag on her seat.She got off the bus,leaving her handbag on her seat.2、分析句子结构分析句子结构,辨别辨别“谓与非谓谓与非谓”1._many times,but he still couldnt understand it.2._many times,he still couldnt understand it.A.Having been toldB.He was told B_A3、填词：用、填词：用studying或者或者study1）_(study)hard,you will pass the final exam.2)_(study)hard,and you will pass StudyingStudy分词作
