Question

He has a sister(改成一般疑问句，否定回答)

Answer 1

does he have a sister?
no,he doesn't.
1.实意动词做谓语时，改成一般疑问句，用do,放在句首，后面照抄，但是要根据有时态和物的变化。
回答，用do。如问题
2.be动词做谓语时，改成一般疑问句，直接把be动词提到句首，后面照抄，
回答，用be，例：
he is my sister.
is he your sister?
no, he isn't.

追问

shank,you

Answer 2

一般疑问句：Does he have a sisiter.
否定回答：No, he doesn't

Answer 3

does he have a sister? no, he doesn't .

Answer 4

Does he have a sister？
No，he isn't

祝你进步