英语等语言中由（广义）情态动词(简单情态动词或复合情态动词)和非情态动词共同构成的谓语。例如在He might be able to speak French.中，谓语might be able to speak由情态单词might和情态短语be able to所复合而成的复合情态动词和非情态动词speak共同构成，即为复合谓语。
一般说来，英语谓语可以分为三类：简单谓语、复合谓语和双谓语。
Generally speaking, English predicates can be divided into three categories: simple predicates, compound predicates and double predicates.
顺序很重要，如果你的谓语以不同的顺序指定这些属性或在它们前罗列了其他属性，数据库就不会选择该复合索引。
The order is important because if your predicate specifies these properties in a different order or lists some other property before them, the composite index will not be selected by the database.
复合句的主句和从句也和简单句一样，必须有主语和谓语。
The main clause and subordinate clause of compound sentence must have subject and predicate, as same as the simple sentence.
应用推荐