同学提问：”Does he have a dog?” He不是后头要跟has吗？
动词原形：do，have，like
第三人称单数的动词：does, has, likes
You have a dog.
He has a dog.
You have a dog? (非正式)
He has a dog? （非正式）
You do have a dog.
Do you have a dog?
Do you like dogs?
He has a dog = He does have a dog.
Does he have a dog?
He likes dogs = He does like dogs.
Does he have dogs?
听友235384130
为什么不能do have a dog?
不荒废的兔兔ann
Do you like dogs?Does he like dogs?
1851632tcaa
为什么不能Have you a dog？
梅西西zzz 回复 @1851632tcaa：
语法上是可以的，但是这个说法人们不常用。
1893937zrkz