Does Alice brush her teeth before going to bad?这里before 是连词还是介词
问题描述:
Does Alice brush her teeth before going to bad?这里before 是连词还是介词
为什么 请帮我举个列子
连词:
介词:就用这句话做列子
答
这里是介词,因为before后面的动词用了ing型式.
只要它后面的动词是ing型式,那么前面这个就是介词.
要是连词的话,你可以这样说:
Does Alice brush her teeth before she goes to bad?