too...to...结构与...enough to...结构及so...that...结构的相互转换
1.将too...to...结构转换为...enough to...结构时要注意:①enough前的形容词或副词须是too前面形容词或副词的反义词;②...enough to ...句式须用否定式;③too...to...结构有逻辑主语时,...enough to...结构也要加上逻辑主语.例如:
She is too young to do the work.→She isn't old enough to do the work.
2.将too...to...结构转换为so...that...结构时要注意:①so...that...结构是复合句,so的后面接形容词或副词,that的后面接从句;②that后面的从句要用否定形式.例如:
She is too young to do the work.→She is so young that she can't do the work