must rolf
Verbo regular: rolf - rolfed- rolfed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must rolf
you must rolf
she must rolf
we must rolf
you must rolf
they must rolf 	I must be rolfing
you must be rolfing
she must be rolfing
we must be rolfing
you must be rolfing
they must be rolfing	I must have rolfed
you must have rolfed
she must have rolfed
we must have rolfed
you must have rolfed
they must have rolfed	I must have been rolfing
you must have been rolfing
she must have been rolfing
we must have been rolfing
you must have been rolfing
they must have been rolfing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not rolf
you must not rolf
she must not rolf
we must not rolf
you must not rolf
they must not rolf 	I must not be rolfing
you must not be rolfing
she must not be rolfing
we must not be rolfing
you must not be rolfing
they must not be rolfing	I must not have rolfed
you must not have rolfed
she must not have rolfed
we must not have rolfed
you must not have rolfed
they must not have rolfed	I must not have been rolfing
you must not have been rolfing
she must not have been rolfing
we must not have been rolfing
you must not have been rolfing
they must not have been rolfing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I rolf?
must you rolf?
must she rolf?
must we rolf?
must you rolf?
must they rolf? 	must I be rolfing?
must you be rolfing?
must she be rolfing?
must we be rolfing?
must you be rolfing?
must they be rolfing? 	must I have rolfed?
must you have rolfed?
must she have rolfed?
must we have rolfed?
must you have rolfed?
must they have rolfed? 	must I have been rolfing?
must you have been rolfing?
must she have been rolfing?
must we have been rolfing?
must you have been rolfing?
must they have been rolfing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not rolf?
must you not rolf?
must she not rolf?
must we not rolf?
must you not rolf?
must they not rolf? 	must I not be rolfing?
must you not be rolfing?
must she not be rolfing?
must we not be rolfing?
must you not be rolfing?
must they not be rolfing? 	must I not have rolfed?
must you not have rolfed?
must she not have rolfed?
must we not have rolfed?
must you not have rolfed?
must they not have rolfed? 	must I not have been rolfing?
must you not have been rolfing?
must she not have been rolfing?
must we not have been rolfing?
must you not have been rolfing?
must they not have been rolfing?