must rebuff
Verbo regular: rebuff - rebuffed- rebuffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must rebuff
you must rebuff
he must rebuff
we must rebuff
you must rebuff
they must rebuff 	I must be rebuffing
you must be rebuffing
he must be rebuffing
we must be rebuffing
you must be rebuffing
they must be rebuffing	I must have rebuffed
you must have rebuffed
he must have rebuffed
we must have rebuffed
you must have rebuffed
they must have rebuffed	I must have been rebuffing
you must have been rebuffing
he must have been rebuffing
we must have been rebuffing
you must have been rebuffing
they must have been rebuffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not rebuff
you must not rebuff
he must not rebuff
we must not rebuff
you must not rebuff
they must not rebuff 	I must not be rebuffing
you must not be rebuffing
he must not be rebuffing
we must not be rebuffing
you must not be rebuffing
they must not be rebuffing	I must not have rebuffed
you must not have rebuffed
he must not have rebuffed
we must not have rebuffed
you must not have rebuffed
they must not have rebuffed	I must not have been rebuffing
you must not have been rebuffing
he must not have been rebuffing
we must not have been rebuffing
you must not have been rebuffing
they must not have been rebuffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I rebuff?
must you rebuff?
must he rebuff?
must we rebuff?
must you rebuff?
must they rebuff? 	must I be rebuffing?
must you be rebuffing?
must he be rebuffing?
must we be rebuffing?
must you be rebuffing?
must they be rebuffing? 	must I have rebuffed?
must you have rebuffed?
must he have rebuffed?
must we have rebuffed?
must you have rebuffed?
must they have rebuffed? 	must I have been rebuffing?
must you have been rebuffing?
must he have been rebuffing?
must we have been rebuffing?
must you have been rebuffing?
must they have been rebuffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not rebuff?
must you not rebuff?
must he not rebuff?
must we not rebuff?
must you not rebuff?
must they not rebuff? 	must I not be rebuffing?
must you not be rebuffing?
must he not be rebuffing?
must we not be rebuffing?
must you not be rebuffing?
must they not be rebuffing? 	must I not have rebuffed?
must you not have rebuffed?
must he not have rebuffed?
must we not have rebuffed?
must you not have rebuffed?
must they not have rebuffed? 	must I not have been rebuffing?
must you not have been rebuffing?
must he not have been rebuffing?
must we not have been rebuffing?
must you not have been rebuffing?
must they not have been rebuffing?