you 'd better catch a bus 的句子成分you是主语,'d better是状语 catch是谓语 a bus 是宾语.

you 'd better catch a bus 的句子成分you是主语,'d better是状语 catch是谓语 a bus 是宾语.
you 'd better catch a bus 的句子成分
you是主语,'d better是状语 catch是谓语 a bus 是宾语.

you 'd better catch a bus 的句子成分you是主语,'d better是状语 catch是谓语 a bus 是宾语.
you是主语,had better是情态动词,和catch一起构成谓语部分,a bus是宾语.

'd better应该是和情态动词相似，不是状语。状语多表示的是时间、地点、方式等