is he/does he/isn't he/doesn't he这些疑问语气的用法

解释下

1. Is he...?
是对主系表结构的肯定提问。例如"Is he right?"是对"He is right."的提问。
2. Isn't he...?
是对主系表结构的否定提问。例如"Isn't he going to school?"是对"He isn't going to school."的提问。
3. Does he...?
是主谓宾结构的肯定提问。例如"Dose he like apples?"是对"He likes apples."的提问。注意，Dose提问后面动词用原型。
4. Doesn't he...?
是对主谓宾结构的否定提问。例如"Doesn't he buy basketballs?"是对"He doesn't buy basketballs."的提问。

d

seldom 表否定之意，因此，前否后肯。