have to与must的一般疑问句和肯否定回答如何构成?各表示什么含义?

have
to
的肯定回答：yes,
主语+do
的适当形式(do/
does/
did).
否定回答：
no,
主语+do
not的适当形式(don't/
doesn't/
didn't).
must的肯定回答：yes,
主语+must..
否定回答：no,
主语+needn't.
例如：1.
Does
he
have
to
clean
the
classroom
now?
Yes,
he
does.
No,
he
doesn't.
2.
Must
he
hand
in
his
homework
now?
Yes,
he
must.
No,
he
needn't.
have
to
表客观情况。must表主观情况。

have
to和must都可以当不得不，必须讲
do
they
have
to
come
back
before
9
o'clock?
yes.
they
do.
no.
they
don't.
must
they
come
back
before
9
o'clock?
yes.they
must.
no.
they
mustn't
have
to与must的区别是，must的语气更强硬。

have
to
的肯定回答：yes,
主语+do
的适当形式(do/
does/
did).
否定回答：
no,
主语+do
not的适当形式(don't/
doesn't/
didn't).
must的肯定回答：yes,
主语+must..
否定回答：no,
主语+needn't.
例如：1.
Does
he
have
to
clean
the
classroom
now?
Yes,
he
does.
No,
he
doesn't.
2.
Must
he
hand
in
his
homework
now?

本着对你负责的态度想要告诉你，你的推荐答案中有一个地方需要更正，就是must
的否定回答应该是：No,you
needn't
.
或No,
you
don't
have
to
.