麻烦帮我分析一个英语句子成分...he lived in the forest for several month ,running the risk of being bitten by snakes,and collected a lot of first-hand data.中间那部分（running...snakes）在句子中做什么成分啊?
问题描述：
麻烦帮我分析一个英语句子成分...
he lived in the forest for several month ,running the risk of being bitten by snakes,and collected a lot of first-hand data.中间那部分（running...snakes）在句子中做什么成分啊?
答
伴随状语 （伴随状语是指状语从句的动作伴随主句发生,它的特点是：它所表达的动作或状态是伴随着句子谓语动词的动作而发生或存在的.）
一般在分词短语（现在分词表主动 过去表被动）前有逗号的是伴随状语.