蒙古语存在句分为“主谓型存在句”、“状谓型存在句”、“定中型存在句”等三个类型,这三种类型的存在句主要在语序上带有区别特征,语义上没有明显的不同,语序变化的主要区别可以说取决于说话者所强调的内容,但每一个句子主体和处所的位置不是随意调换的,有些句子里处所和时间只能在主体的前面,不能在存在主体的后面,这也许与话题化有关系。 Mongolian existential sentences are divided into three types: “Predicate Existential Sentence ”, “Predicative Existential Sentence ”, “Median Medium Existential Sentence ”. These three types of existential sentences are mainly in the order of words With distinctive features, there is no obvious difference in semantics. The main difference between word order changes can be said to depend on what the speaker emphasizes. However, the position of each sentence subject and place is not arbitrarily changed. In some sentences, the place and time can only be In front of the subject, not behind the existence of the subject, which may be related to the topic.