基本信息
一、独立主格结构的构成形式
1、逻辑主语+V-ing
这种构成形式内部的逻辑主语是分词的动作执行者，分词表示的动作不是整句主语发出的动作，而是其逻辑主语发出的动作。如：
(1).Such being the case, I couldn’t help but support him.
(2).Silver is the best conductor of electricity, copper following it closely.
(3).Weather permitting, they decided to go for an outing.
