enough-to-too-to-so-that的区别

enoughto，tooto，sothat的区别too...to...意为“太……以致不能……”,too后接形容词或副词,to是动词不定式符号,后接动词原形,动词不定式表示否定意义。一、too...to...的意义too...to...表示太……而不能……。例如：1,Heistooyoungtojointhearmy.他年龄太小，不能参军。2,Themathproblemistoodifficultformetoworkout.这道数学题太难我不能解出它。四、too...to...结构与...enoughto...结构及so...that...结构的相互转换1.too...to...结构转换为...enoughto...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...enoughto...句式须用否定式；③too...to...结构有逻辑主语时，...enoughto...结构也要加上逻辑主语。例如：Sheistooyoungtodothework.→Sheisn'toldenoughtodothework.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：Sheistooyoungtodothework.→Sheissoyoungthatshecan'tdothework.