too...to与so...that

too常与一个作状语的动词不定式或者“for+代词(或名词)+动词不定式”合用,表示一种含蓄的否定,说明达不到某种结果。例如: I went too late to see him.我去得太迟,没有见着他。This book is too difficult for me to read.这本书太难,我读不懂。too…to或too…for…to可与so…that改写。上面两句可改为: