Thinking back on the past three years,I have learned if I want to succeed,

问题描述:

Thinking back on the past three years,I have learned if I want to succeed,
Thinking back on the past three years,在句中做什么成分?

Thinking back on the past three years ,这是典型的现在分词引导的伴随状语.伴随状语是和主句的动作同时发生的,那么这里怎么理解??Thinking back on the past three years 意为“回忆过去的这三年”,我学到了…… 现在分词作状语, 表示动作发生的时间、原因、结果、条件、让步、方式或伴随情况,通常相当于一个状语从句或并列分句。一般说来,这种结构的逻辑主语就是句子的主语。