主谓谓语句的研究早在上个世纪就已经开始,并且研究上已经达到了一定的深度,相关的著作也是层出不穷。大部分侧重在主谓谓语句的分类,以及主句和话题的研究上面。但是对某种类型的专门研究的则很少,此外从语用、语义、语法三个方面展开论述的也没有多少。本篇文章就试图从这三个方面来研究“S1S2是VP”这种句式及其变式的选择,还进一步揭示了在这一句式中“S2是”的意义。 As early as the last century, the research on the subject and predicate sentence has already started, and the research has reached a certain depth. Related works are also emerging one after another. Mostly focus on the classification of the main predicate, as well as the main sentence and topic research above. However, there are only a few types of specialized research, and there are not many expositions in terms of pragmatics, semantics and grammar. This article tries to study from these three aspects “S1S2 is VP ” this sentence and its variants choice, but also reveals the meaning of “S2 is ” in this sentence.