must breed
Verbe irrégulier : breed - bred- bred
Traduction française : élever (du bétail) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must breed
you must breed
she must breed
we must breed
you must breed
they must breed 	I must be breeding
you must be breeding
she must be breeding
we must be breeding
you must be breeding
they must be breeding	I must have bred
you must have bred
she must have bred
we must have bred
you must have bred
they must have bred	I must have been breeding
you must have been breeding
she must have been breeding
we must have been breeding
you must have been breeding
they must have been breeding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't breed
you mustn't breed
she mustn't breed
we mustn't breed
you mustn't breed
they mustn't breed 	I mustn't be breeding
you mustn't be breeding
she mustn't be breeding
we mustn't be breeding
you mustn't be breeding
they mustn't be breeding	I mustn't have bred
you mustn't have bred
she mustn't have bred
we mustn't have bred
you mustn't have bred
they mustn't have bred	I mustn't have been breeding
you mustn't have been breeding
she mustn't have been breeding
we mustn't have been breeding
you mustn't have been breeding
they mustn't have been breeding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I breed?
must you breed?
must she breed?
must we breed?
must you breed?
must they breed? 	must I be breeding?
must you be breeding?
must she be breeding?
must we be breeding?
must you be breeding?
must they be breeding? 	must I have bred?
must you have bred?
must she have bred?
must we have bred?
must you have bred?
must they have bred? 	must I have been breeding?
must you have been breeding?
must she have been breeding?
must we have been breeding?
must you have been breeding?
must they have been breeding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I breed?
mustn't you breed?
mustn't she breed?
mustn't we breed?
mustn't you breed?
mustn't they breed? 	mustn't I be breeding?
mustn't you be breeding?
mustn't she be breeding?
mustn't we be breeding?
mustn't you be breeding?
mustn't they be breeding? 	mustn't I have bred?
mustn't you have bred?
mustn't she have bred?
mustn't we have bred?
mustn't you have bred?
mustn't they have bred? 	mustn't I have been breeding?
mustn't you have been breeding?
mustn't she have been breeding?
mustn't we have been breeding?
mustn't you have been breeding?
mustn't they have been breeding?