must father
Verbe régulier : father - fathered- fathered
Traduction française : engendrer - attribuer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must father
you must father
she must father
we must father
you must father
they must father 	I must be fathering
you must be fathering
she must be fathering
we must be fathering
you must be fathering
they must be fathering	I must have fathered
you must have fathered
she must have fathered
we must have fathered
you must have fathered
they must have fathered	I must have been fathering
you must have been fathering
she must have been fathering
we must have been fathering
you must have been fathering
they must have been fathering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't father
you mustn't father
she mustn't father
we mustn't father
you mustn't father
they mustn't father 	I mustn't be fathering
you mustn't be fathering
she mustn't be fathering
we mustn't be fathering
you mustn't be fathering
they mustn't be fathering	I mustn't have fathered
you mustn't have fathered
she mustn't have fathered
we mustn't have fathered
you mustn't have fathered
they mustn't have fathered	I mustn't have been fathering
you mustn't have been fathering
she mustn't have been fathering
we mustn't have been fathering
you mustn't have been fathering
they mustn't have been fathering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I father?
must you father?
must she father?
must we father?
must you father?
must they father? 	must I be fathering?
must you be fathering?
must she be fathering?
must we be fathering?
must you be fathering?
must they be fathering? 	must I have fathered?
must you have fathered?
must she have fathered?
must we have fathered?
must you have fathered?
must they have fathered? 	must I have been fathering?
must you have been fathering?
must she have been fathering?
must we have been fathering?
must you have been fathering?
must they have been fathering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I father?
mustn't you father?
mustn't she father?
mustn't we father?
mustn't you father?
mustn't they father? 	mustn't I be fathering?
mustn't you be fathering?
mustn't she be fathering?
mustn't we be fathering?
mustn't you be fathering?
mustn't they be fathering? 	mustn't I have fathered?
mustn't you have fathered?
mustn't she have fathered?
mustn't we have fathered?
mustn't you have fathered?
mustn't they have fathered? 	mustn't I have been fathering?
mustn't you have been fathering?
mustn't she have been fathering?
mustn't we have been fathering?
mustn't you have been fathering?
mustn't they have been fathering?