I must houseclean you must houseclean he must houseclean we must houseclean you must houseclean they must houseclean
Forme en V-ing
I must be housecleaning you must be housecleaning he must be housecleaning we must be housecleaning you must be housecleaning they must be housecleaning
Perfect
I must have housecleaned you must have housecleaned he must have housecleaned we must have housecleaned you must have housecleaned they must have housecleaned
Perfect en V-ing
I must have been housecleaning you must have been housecleaning he must have been housecleaning we must have been housecleaning you must have been housecleaning they must have been housecleaning
Négation
Forme simple
I mustn't houseclean you mustn't houseclean he mustn't houseclean we mustn't houseclean you mustn't houseclean they mustn't houseclean
Forme en V-ing
I mustn't be housecleaning you mustn't be housecleaning he mustn't be housecleaning we mustn't be housecleaning you mustn't be housecleaning they mustn't be housecleaning
Perfect
I mustn't have housecleaned you mustn't have housecleaned he mustn't have housecleaned we mustn't have housecleaned you mustn't have housecleaned they mustn't have housecleaned
Perfect en V-ing
I mustn't have been housecleaning you mustn't have been housecleaning he mustn't have been housecleaning we mustn't have been housecleaning you mustn't have been housecleaning they mustn't have been housecleaning
Forme interrogative
Forme simple
must I houseclean? must you houseclean? must he houseclean? must we houseclean? must you houseclean? must they houseclean?
Forme en V-ing
must I be housecleaning? must you be housecleaning? must he be housecleaning? must we be housecleaning? must you be housecleaning? must they be housecleaning?
Perfect
must I have housecleaned? must you have housecleaned? must he have housecleaned? must we have housecleaned? must you have housecleaned? must they have housecleaned?
Perfect en V-ing
must I have been housecleaning? must you have been housecleaning? must he have been housecleaning? must we have been housecleaning? must you have been housecleaning? must they have been housecleaning?
Forme interro-négative
Forme simple
mustn't I houseclean? mustn't you houseclean? mustn't he houseclean? mustn't we houseclean? mustn't you houseclean? mustn't they houseclean?
Forme en V-ing
mustn't I be housecleaning? mustn't you be housecleaning? mustn't he be housecleaning? mustn't we be housecleaning? mustn't you be housecleaning? mustn't they be housecleaning?
Perfect
mustn't I have housecleaned? mustn't you have housecleaned? mustn't he have housecleaned? mustn't we have housecleaned? mustn't you have housecleaned? mustn't they have housecleaned?
Perfect en V-ing
mustn't I have been housecleaning? mustn't you have been housecleaning? mustn't he have been housecleaning? mustn't we have been housecleaning? mustn't you have been housecleaning? mustn't they have been housecleaning?