must buff
Verbe régulier : buff - buffed- buffed
Traduction française : polir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must buff
you must buff
she must buff
we must buff
you must buff
they must buff 	I must be buffing
you must be buffing
she must be buffing
we must be buffing
you must be buffing
they must be buffing	I must have buffed
you must have buffed
she must have buffed
we must have buffed
you must have buffed
they must have buffed	I must have been buffing
you must have been buffing
she must have been buffing
we must have been buffing
you must have been buffing
they must have been buffing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not buff
you must not buff
she must not buff
we must not buff
you must not buff
they must not buff 	I must not be buffing
you must not be buffing
she must not be buffing
we must not be buffing
you must not be buffing
they must not be buffing	I must not have buffed
you must not have buffed
she must not have buffed
we must not have buffed
you must not have buffed
they must not have buffed	I must not have been buffing
you must not have been buffing
she must not have been buffing
we must not have been buffing
you must not have been buffing
they must not have been buffing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I buff?
must you buff?
must she buff?
must we buff?
must you buff?
must they buff? 	must I be buffing?
must you be buffing?
must she be buffing?
must we be buffing?
must you be buffing?
must they be buffing? 	must I have buffed?
must you have buffed?
must she have buffed?
must we have buffed?
must you have buffed?
must they have buffed? 	must I have been buffing?
must you have been buffing?
must she have been buffing?
must we have been buffing?
must you have been buffing?
must they have been buffing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not buff?
must you not buff?
must she not buff?
must we not buff?
must you not buff?
must they not buff? 	must I not be buffing?
must you not be buffing?
must she not be buffing?
must we not be buffing?
must you not be buffing?
must they not be buffing? 	must I not have buffed?
must you not have buffed?
must she not have buffed?
must we not have buffed?
must you not have buffed?
must they not have buffed? 	must I not have been buffing?
must you not have been buffing?
must she not have been buffing?
must we not have been buffing?
must you not have been buffing?
must they not have been buffing?