分词另有其逻辑主语,再加自己的分词,叫做独立主格.
The weather being fine,we will go hiking tomorrow.(条件状语)
I being ill,my classmates came to see me.(原因状语)
当分词作状语时,句子的主语就是它的逻辑主语.
Walking in the street,I saw one of my friends.
Tired of the speech,he slipped out of the hall.
英语语法问题什么是独立主格结构,分词在句子中做什么成分时,句子主语是逻辑主语