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