We must go now.(变为一般疑问句）怎么变？ must提问要换词吗？例：we must go to sch...

We must go to bed before nine o'clock.\uff08\u4e00\u822c\u7591\u95ee\u53e5\uff09

We must go to bed before nine o'clock.\uff08\u4e00\u822c\u7591\u95ee\u53e5\uff09
must we go to bed before nine o'clock\uff1f
\u6211\u4eec\u5fc5\u987b9\u70b9\u4e4b\u524d\u4e0a\u5e8a\u7761\u89c9\u5417\uff1f
good luck

\u542b\u60c5\u6001\u52a8\u8bcd\u7684\u4e00\u822c\u7591\u95ee\u53e5\u76f4\u63a5\u628a\u60c5\u6001\u52a8\u8bcd\u63d0\u524d\u5c31\u53ef\u4ee5\u3002
\u4f60\u662f\u5bf9\u7684~O(\u2229_\u2229)O~

should we go now?
第二个可以用take care

need
you
go
now?
must做“必须”用的时候，其一般疑问句和否定句用need/needn't或者do……have
to/don't
have
to

扩展阅读：we must be home 6 oclock ... you can not advance ... they must go home now ... where are you going ... we must always go into ... that game cpammy ... go back to your seat ... a lot of must be made ... we must not the opponent ...