must housebreak
Verbe irrégulier : housebreak - housebroke- housebroken

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must housebreak
you must housebreak
he must housebreak
we must housebreak
you must housebreak
they must housebreak 	I must be housebreaking
you must be housebreaking
he must be housebreaking
we must be housebreaking
you must be housebreaking
they must be housebreaking	I must have housebroken
you must have housebroken
he must have housebroken
we must have housebroken
you must have housebroken
they must have housebroken	I must have been housebreaking
you must have been housebreaking
he must have been housebreaking
we must have been housebreaking
you must have been housebreaking
they must have been housebreaking	

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

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