英语过去分词状语过去分词作定语,高中阶段介绍过和主句主语有被动关系,主句主语承受分词动作.如Given another

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英语过去分词状语
过去分词作定语,高中阶段介绍过和主句主语有被动关系,主句主语承受分词动作.如
Given another hour,I can also work out this problem
可这个句子 Finished his homework,he began to watch TV 似乎也没问题,可此时和主句是主动关系.
想问下过去分词作状语和主句主语也存在主谓关系么?现在所见有限,
Finished his homework,he began to watch TV 是网上的一个例子。过去分词作状语时“主句主语承受分词动作”这一语法规则已很清晰，不太明白?

Finished his homework,he began to watch TV 这个句子不对吧,应该是Having finished his homework,he began to watch TV.
过去分词作状语其实也就是从状语从句变过来的,比如Given another hour,I can also work out this problem.这句话就是条件状语,If I am given another hour,i can also work out this problem.而另一句Having finished his homework,he began to watch TV.则是时间状语,After he had finished his homework,he began to watch TV.可以发现,从句和主句的主语是一致的,但在分词作状语的句子中主语被省略了,所以表面上看起来是和主句的主语存在主谓关系