for as far as I could see的理解与分析

老师 for as far as I could see这句话如何理解呢？ as far as做连词还是做as...as....结构？辛苦老师答疑解惑！

for as far as I could see的理解需要上下文。刘老师给出了一种理解。我再给出另一种理解。

for为并列连词，表示原因，as far as I could see 为固定表达，意为在我看来。其中as far as可以分析为引导“范围状语从句”的从属关联词。如下句：

His mistake is forgivable, for as far as I could see, he was trying to help.

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 1秒前

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刘永科 - 教育出版集团英语总顾问 & 英语系列图书主编 1秒前

擅长：语法理论,语言学,文化背景

网友注意：这个用法通常不带for。这在结构和意思上是不同的。

as far as I could see：as far as 连词，引导状语从句。

for as far as I could see：总体而言是个介词短语。for 表示所经过的“距离”，as far as I could see 相当于具体的里程。例如：

They walked for thirty miles. / for as far as I could see.

详情参考我以前的两个解答：