come in and have a seat中,为什么要用have a

问题描述:

come in and have a seat中,为什么要用have a

seat 是一个名词,与have构成固定搭配

have a seat是固定搭配解释为找位子坐下的意思,由于前面come是原型,and后跟的动词也应该是原型,所以用have