It is obvious that 结构的用法主句,从句的时态如何搭配?

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It is obvious that 结构的用法主句,从句的时态如何搭配?

It is obvious that 结构的用法主句,从句的时态如何搭配?
It is obvious that 结构的用法
主句,从句的时态如何搭配?

It is obvious that 结构的用法主句,从句的时态如何搭配?
这个结构 其实 谈不到 主从句 有固定的时态 搭配的问题.谈不到的.
主要从 句子的意思 和时间上 判断 主句 和从句 该用怎样的时态.
要说搭配,那有一点是肯定的,从句的时态必然 “早于”主句的时态.
例如,主句是现在时,从句必然是现在时态或更早的时态 如过去时.主句是过去时,从句也必然是过去时或更早的时态 例如过去完成时态,现在时.
例句:It is obvious that he has been at home (because she phoned us with his home tel.)
再例如:It was obvious that she had got home (because at that time the displayed tel.number was the one of her home)
很显然她已经到家了,因为当时来电显示的电话号码是她家的电话号码.

主从句时态一致
It was quite obvious that she was
not going home.
很显然她不准备回家。