谁知道does do is are的用法啊,就是用在问句的第一个词
问题描述：
谁知道does do is are的用法啊,就是用在问句的第一个词
答
当句子中是实义动词作谓语且是一般现在时时,变一般疑问句就是用DO 或DOES （ 主语是三单时用does ） ,其余就不能用DO / DOES,如He is a student -> Is he a student Does he study hard Do they study hard Are they...