对名词性从句全面、透彻的归纳,解析深入浅出,通俗易懂。精选例题帮助学生对相关考点一目了然。
5.名词性从句与其它句型的区别
5.1 与定语从句的辨析
(1) As is known to us all, paper was first made in China. (as引导
的非限制定语从句)
It is known to us all that paper was first made in China.
(主语从句it为形式主语)
What is known to us all is that paper was first made in China. (what引导的主语从句)