举个最简单的
He likes swimming
一般疑问句
Does he like swimming?
回答只需用Yes,he does/No,he doesn't
否定在助动词后加not
这句话就是He doesn't like swimming
does 和do 是由主语的人称而改变
单三does 非单三do
举个最简单的
He likes swimming
一般疑问句
Does he like swimming?
回答只需用Yes,he does/No,he doesn't
否定在助动词后加not
这句话就是He doesn't like swimming
does 和do 是由主语的人称而改变
单三does 非单三do