俄语中前置词是虚词,属于不变化的词类,总是与名词、代词、数词、名词化的形容词和其他词连用,起一定的辅助、联系作用,是句子不可缺少的成分。它既可以表示空间关系,也可表示时间关系,还可以表示原因、目的、行为的方式、方法等关系,在此笔者仅就表示时间关系的原始前置词按照 The preposition in Russian is a function word, belonging to the invariant part of the word, always associated with nouns, pronouns, nouns, nominal adjectives and other words, play a certain auxiliary role, the contact is an indispensable component of the sentence. It can not only express the relationship of space, but also that the relationship between time, but also can indicate the reasons, the purpose, the way of behavior, methods and other relations, the author only on the time that the original preposition in accordance with the time