You must stay in bed.的否定形式是什么

You must stay in bed.的否定形式是什么 You must stay in bed.的意思 you must stay in bed must stay in bed stay in bed的否定祈使句 he must stay in bed. 排序：must,you,in,stay,for,another,bed,days,tow. 求教you must stay in bed for another two days you must （ ）《stay》 in bed for another two days. You\'d better stay in bed怎样改成否定句 You'd better stay in bed.（改为否定句） You must not stay in bed all day?(改为祈使句）------（.）（.）in bed a