must breech
Verbe régulier : breech - breeched- breeched
Traduction française : munir d'une culasse 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must breech
you must breech
he must breech
we must breech
you must breech
they must breech 	I must be breeching
you must be breeching
he must be breeching
we must be breeching
you must be breeching
they must be breeching	I must have breeched
you must have breeched
he must have breeched
we must have breeched
you must have breeched
they must have breeched	I must have been breeching
you must have been breeching
he must have been breeching
we must have been breeching
you must have been breeching
they must have been breeching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't breech
you mustn't breech
he mustn't breech
we mustn't breech
you mustn't breech
they mustn't breech 	I mustn't be breeching
you mustn't be breeching
he mustn't be breeching
we mustn't be breeching
you mustn't be breeching
they mustn't be breeching	I mustn't have breeched
you mustn't have breeched
he mustn't have breeched
we mustn't have breeched
you mustn't have breeched
they mustn't have breeched	I mustn't have been breeching
you mustn't have been breeching
he mustn't have been breeching
we mustn't have been breeching
you mustn't have been breeching
they mustn't have been breeching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I breech?
must you breech?
must he breech?
must we breech?
must you breech?
must they breech? 	must I be breeching?
must you be breeching?
must he be breeching?
must we be breeching?
must you be breeching?
must they be breeching? 	must I have breeched?
must you have breeched?
must he have breeched?
must we have breeched?
must you have breeched?
must they have breeched? 	must I have been breeching?
must you have been breeching?
must he have been breeching?
must we have been breeching?
must you have been breeching?
must they have been breeching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I breech?
mustn't you breech?
mustn't he breech?
mustn't we breech?
mustn't you breech?
mustn't they breech? 	mustn't I be breeching?
mustn't you be breeching?
mustn't he be breeching?
mustn't we be breeching?
mustn't you be breeching?
mustn't they be breeching? 	mustn't I have breeched?
mustn't you have breeched?
mustn't he have breeched?
mustn't we have breeched?
mustn't you have breeched?
mustn't they have breeched? 	mustn't I have been breeching?
mustn't you have been breeching?
mustn't he have been breeching?
mustn't we have been breeching?
mustn't you have been breeching?
mustn't they have been breeching?