So many diretors being absent,the board meeting had to be put off.是什么语法句式?

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So many diretors being absent,the board meeting had to be put off.是什么语法句式?
So many diretors being absent,the board meeting had to be put off.是什么语法句式?

So many diretors being absent,the board meeting had to be put off.是什么语法句式?
So many diretors being absent,the board meeting had to be put off.是一个使用了独立主格结构的句子.独立主格结构主要用于描绘性文字中,其作用相当于一个状语从句,常用来表示时间、原因、条件、行为方式或伴随情况等.
句子本身可以表达为Because so many diretors were absent,the board meeting had to be put off.前半句是一个原因状语从句,为简化,可使用独立主格形式来表示,形式通常为:n.+ -ed/-ing形式; n.+ 不定式 ; n.+ 介词短语; n.+ 形容词; n.+ 副词.句子中就使用了n.+ -ing形式来表示一种伴随的状态.