语法问题

Websites that broadcast video have been asked to monitor the content of film and TV shows before the programs are broadcast online, Jianghu English reported.后面的时间状语before。。。是主句状语还是从句，感觉都可以，因为主句谓语动词是现在完成时属于现在范畴的时间，从句是一般现在时

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分类：从句综合

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曹荣禄 1秒前

擅长：动词用法,句法问题

Websites that broadcast video have been asked to monitor the content of films and TV shows before the programs are broadcast online, Jianghu English reported.

before从句是修饰不定式to monitor的。不定式的动作后于谓语时间，before从句谓语也就是将来时间，但时间从句用一般现在时代替将来时。

语法问题

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