I must housekeep you must housekeep she must housekeep we must housekeep you must housekeep they must housekeep
Forme en V-ing
I must be housekeeping you must be housekeeping she must be housekeeping we must be housekeeping you must be housekeeping they must be housekeeping
Perfect
I must have housekept you must have housekept she must have housekept we must have housekept you must have housekept they must have housekept
Perfect en V-ing
I must have been housekeeping you must have been housekeeping she must have been housekeeping we must have been housekeeping you must have been housekeeping they must have been housekeeping
Négation
Forme simple
I mustn't housekeep you mustn't housekeep she mustn't housekeep we mustn't housekeep you mustn't housekeep they mustn't housekeep
Forme en V-ing
I mustn't be housekeeping you mustn't be housekeeping she mustn't be housekeeping we mustn't be housekeeping you mustn't be housekeeping they mustn't be housekeeping
Perfect
I mustn't have housekept you mustn't have housekept she mustn't have housekept we mustn't have housekept you mustn't have housekept they mustn't have housekept
Perfect en V-ing
I mustn't have been housekeeping you mustn't have been housekeeping she mustn't have been housekeeping we mustn't have been housekeeping you mustn't have been housekeeping they mustn't have been housekeeping
Forme interrogative
Forme simple
must I housekeep? must you housekeep? must she housekeep? must we housekeep? must you housekeep? must they housekeep?
Forme en V-ing
must I be housekeeping? must you be housekeeping? must she be housekeeping? must we be housekeeping? must you be housekeeping? must they be housekeeping?
Perfect
must I have housekept? must you have housekept? must she have housekept? must we have housekept? must you have housekept? must they have housekept?
Perfect en V-ing
must I have been housekeeping? must you have been housekeeping? must she have been housekeeping? must we have been housekeeping? must you have been housekeeping? must they have been housekeeping?
Forme interro-négative
Forme simple
mustn't I housekeep? mustn't you housekeep? mustn't she housekeep? mustn't we housekeep? mustn't you housekeep? mustn't they housekeep?
Forme en V-ing
mustn't I be housekeeping? mustn't you be housekeeping? mustn't she be housekeeping? mustn't we be housekeeping? mustn't you be housekeeping? mustn't they be housekeeping?
Perfect
mustn't I have housekept? mustn't you have housekept? mustn't she have housekept? mustn't we have housekept? mustn't you have housekept? mustn't they have housekept?
Perfect en V-ing
mustn't I have been housekeeping? mustn't you have been housekeeping? mustn't she have been housekeeping? mustn't we have been housekeeping? mustn't you have been housekeeping? mustn't they have been housekeeping?