may rolf
Verbo regular: rolf - rolfed- rolfed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may rolf
you may rolf
she may rolf
we may rolf
you may rolf
they may rolf 	I may be rolfing
you may be rolfing
she may be rolfing
we may be rolfing
you may be rolfing
they may be rolfing	I may have rolfed
you may have rolfed
she may have rolfed
we may have rolfed
you may have rolfed
they may have rolfed	I may have been rolfing
you may have been rolfing
she may have been rolfing
we may have been rolfing
you may have been rolfing
they may have been rolfing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not rolf
you may not rolf
she may not rolf
we may not rolf
you may not rolf
they may not rolf 	I may not be rolfing
you may not be rolfing
she may not be rolfing
we may not be rolfing
you may not be rolfing
they may not be rolfing	I may not have rolfed
you may not have rolfed
she may not have rolfed
we may not have rolfed
you may not have rolfed
they may not have rolfed	I may not have been rolfing
you may not have been rolfing
she may not have been rolfing
we may not have been rolfing
you may not have been rolfing
they may not have been rolfing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I rolf?
may you rolf?
may she rolf?
may we rolf?
may you rolf?
may they rolf? 	may I be rolfing?
may you be rolfing?
may she be rolfing?
may we be rolfing?
may you be rolfing?
may they be rolfing? 	may I have rolfed?
may you have rolfed?
may she have rolfed?
may we have rolfed?
may you have rolfed?
may they have rolfed? 	may I have been rolfing?
may you have been rolfing?
may she have been rolfing?
may we have been rolfing?
may you have been rolfing?
may they have been rolfing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not rolf?
may you not rolf?
may she not rolf?
may we not rolf?
may you not rolf?
may they not rolf? 	may I not be rolfing?
may you not be rolfing?
may she not be rolfing?
may we not be rolfing?
may you not be rolfing?
may they not be rolfing? 	may I not have rolfed?
may you not have rolfed?
may she not have rolfed?
may we not have rolfed?
may you not have rolfed?
may they not have rolfed? 	may I not have been rolfing?
may you not have been rolfing?
may she not have been rolfing?
may we not have been rolfing?
may you not have been rolfing?
may they not have been rolfing?