so far as引导什么从句

　　as far as与so far as 的区别：

　　as far as可用于肯定句或否定句，表示直到…为止时，例如：

　　As far as I know he'll be away for three months. 据我所知，他将外出三个月。

　　I'll keep you company as far as the station. 我将与你结伴到车站。

　　so far as只能用于否定句，表示直到…程度的借喻说法中都可用，例如：

　　He wouldn't go so far as to refuse to come to the meeting, would he? 他不至于不来开会吧？

　　He not only ignored the criticism of the others but went so far as to be sarcastic.他对大家的批评置若罔闻，甚至反唇相讥。

　　so far as例句：

　　That's the truth, in so far as I know it.

　　就我所知，那是真实情况。

　　I would go so far as to say it's positively neurotic.

　　我可以这么说，这绝对是神经过敏。

　　Man has rights only in so far as they are a correlative of duty.

　　只有承担义务才能享受权利。

　　The book, so far as I can judge, is remarkably accurate.

　　就我看来，这本书内容相当准确。

　　So far as I am aware, no proper investigation has ever been carried out into the subject.

　　据我了解，目前对该问题尚未进行过正规的调查。