主谓语一致是指谓语动词要与主语单、复数形式及人称变化相一致。主要包括三个原则:1.形式上的一致。例如:The child is playing outside.那孩子正在外面玩。(主语和谓语动词都是单数形式) Consistent with the main predicate is that the predicate verb must be consistent with the subject form, plural form and person change. It mainly includes three principles: 1. Formal agreement. For example: The child is playing outside. The child is playing outside. (Subject and predicate verbs are singular forms)