ought to rolf
Verbo regular: rolf - rolfed- rolfed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to rolf
you ought to rolf
he ought to rolf
we ought to rolf
you ought to rolf
they ought to rolf 	I ought to be rolfing
you ought to be rolfing
he ought to be rolfing
we ought to be rolfing
you ought to be rolfing
they ought to be rolfing	I ought to have rolfed
you ought to have rolfed
he ought to have rolfed
we ought to have rolfed
you ought to have rolfed
they ought to have rolfed	I ought to have been rolfing
you ought to have been rolfing
he ought to have been rolfing
we ought to have been rolfing
you ought to have been rolfing
they ought to have been rolfing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to rolf
you ought not to rolf
he ought not to rolf
we ought not to rolf
you ought not to rolf
they ought not to rolf 	I ought not to rolfing
you ought not to rolfing
he ought not to rolfing
we ought not to rolfing
you ought not to rolfing
they ought not to rolfing	I ought not to have rolfed
you ought not to have rolfed
he ought not to have rolfed
we ought not to have rolfed
you ought not to have rolfed
they ought not to have rolfed	I ought not to have been rolfing
you ought not to have been rolfing
he ought not to have been rolfing
we ought not to have been rolfing
you ought not to have been rolfing
they ought not to have been rolfing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I rolf?
ought to you rolf?
ought to he rolf?
ought to we rolf?
ought to you rolf?
ought to they rolf? 	ought to I be rolfing?
ought to you be rolfing?
ought to he be rolfing?
ought to we be rolfing?
ought to you be rolfing?
ought to they be rolfing? 	ought to I have rolfed?
ought to you have rolfed?
ought to he have rolfed?
ought to we have rolfed?
ought to you have rolfed?
ought to they have rolfed? 	ought to I have been rolfing?
ought to you have been rolfing?
ought to he have been rolfing?
ought to we have been rolfing?
ought to you have been rolfing?
ought to they have been rolfing? 	

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