所谓“独立主格结构”的语法形式,简单的理解就是：在一个句子中,将本可以用从句的修饰成分改用非谓语形式的主谓结构表现出来,以使句子结构更加紧凑,从而避免使用复合句.或者将两个句子改用一个句子表达.例：
The meeting being over,all of us went home.（原为两个句子：The meeting was over.All of us went home.—— 从句的谓语动词改成了现在分词.）
Almost all metals are good conductors,silver being the best of all.（原为两个句子：Almost all metals are good conductor.Silver is the best of all.—— 同上）
We shall play the match tomorrow,weather permitting.（从句形式为：We shall play the match tomorrow if weather permits.—— 同上）
The job finished,we went home.（从句形式：Since he job was finished,we went home.—— 条件状语从句改成被动分词结构.）
More time given,we should have done the job much better.（从句形式：If more time had been given,we should have done the job much better.—— 虚拟语气,条件状语从句改成被动分词结构.）
.
比较有从句的复合句型,独立主格结构显然更紧凑,更适合书面表达.
