英语中的to可以是不定式的符号(sign of infinitive),可以是介词(preposition)。两者形式相同,用法殊异,在许多结构中难以分辨,极易用错,为英语学习中的难点之一,各类阶梯考试中经常出现。本文意在对“to+doing”结构作较为翔实的探讨。按近义词或反义词分组列出,附以参考译文,可供教学参照对比。并非所有的介词to都可接动名词,因为doing只表示一种动作或状态,这一点是无须赘言的。 To in English can be a sign of infinitive, which can be a preposition. Both form the same, different usage, difficult to distinguish in many structures, easy to use wrong, one of the difficulties in English learning, all kinds of ladder tests often appear. This article is intended to give a more detailed discussion of the “to + doing” structure. According to synonyms or antonyms listed in groups, with reference translation, reference for teaching reference. Not all prepositions can be touched nouns, because doing only represents an action or state, it is needless to say.