您好！
否定句
My
brother
is
not
a
pupil.
一般疑问句
Is
your
brother
a
pupil?
肯定回答
Yes,he
is.
望您采纳，谢谢您的支持！
答案是：
1.否定句：my
brother
isn't
a
pupil
2.一般问句：is
your
brother
a
pupil
?
yes
,he
is
~手工翻译，尊重劳动，欢迎提问，感谢采纳！~
否定句
My
brother
is
not
a
pupil.
一般疑问句
Is
your
brother
a
pupil?
肯定回答
My
brother
is
a
pupil.
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