must proffer
Verbe régulier : proffer - proffered- proffered
Traduction française : offrir - émettre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must proffer
you must proffer
she must proffer
we must proffer
you must proffer
they must proffer 	I must be proffering
you must be proffering
she must be proffering
we must be proffering
you must be proffering
they must be proffering	I must have proffered
you must have proffered
she must have proffered
we must have proffered
you must have proffered
they must have proffered	I must have been proffering
you must have been proffering
she must have been proffering
we must have been proffering
you must have been proffering
they must have been proffering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not proffer
you must not proffer
she must not proffer
we must not proffer
you must not proffer
they must not proffer 	I must not be proffering
you must not be proffering
she must not be proffering
we must not be proffering
you must not be proffering
they must not be proffering	I must not have proffered
you must not have proffered
she must not have proffered
we must not have proffered
you must not have proffered
they must not have proffered	I must not have been proffering
you must not have been proffering
she must not have been proffering
we must not have been proffering
you must not have been proffering
they must not have been proffering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I proffer?
must you proffer?
must she proffer?
must we proffer?
must you proffer?
must they proffer? 	must I be proffering?
must you be proffering?
must she be proffering?
must we be proffering?
must you be proffering?
must they be proffering? 	must I have proffered?
must you have proffered?
must she have proffered?
must we have proffered?
must you have proffered?
must they have proffered? 	must I have been proffering?
must you have been proffering?
must she have been proffering?
must we have been proffering?
must you have been proffering?
must they have been proffering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not proffer?
must you not proffer?
must she not proffer?
must we not proffer?
must you not proffer?
must they not proffer? 	must I not be proffering?
must you not be proffering?
must she not be proffering?
must we not be proffering?
must you not be proffering?
must they not be proffering? 	must I not have proffered?
must you not have proffered?
must she not have proffered?
must we not have proffered?
must you not have proffered?
must they not have proffered? 	must I not have been proffering?
must you not have been proffering?
must she not have been proffering?
must we not have been proffering?
must you not have been proffering?
must they not have been proffering?