ought to roller-skate
Regular verb: roller-skate - roller-skated- roller-skated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to roller-skate
you ought to roller-skate
he ought to roller-skate
we ought to roller-skate
you ought to roller-skate
they ought to roller-skate 	I ought to be roller-skating
you ought to be roller-skating
he ought to be roller-skating
we ought to be roller-skating
you ought to be roller-skating
they ought to be roller-skating	I ought to have roller-skated
you ought to have roller-skated
he ought to have roller-skated
we ought to have roller-skated
you ought to have roller-skated
they ought to have roller-skated	I ought to have been roller-skating
you ought to have been roller-skating
he ought to have been roller-skating
we ought to have been roller-skating
you ought to have been roller-skating
they ought to have been roller-skating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to roller-skate
you oughtn't to roller-skate
he oughtn't to roller-skate
we oughtn't to roller-skate
you oughtn't to roller-skate
they oughtn't to roller-skate 	I oughtn't to be roller-skating
you oughtn't to be roller-skating
he oughtn't to be roller-skating
we oughtn't to be roller-skating
you oughtn't to be roller-skating
they oughtn't to be roller-skating	I oughtn't to have roller-skated
you oughtn't to have roller-skated
he oughtn't to have roller-skated
we oughtn't to have roller-skated
you oughtn't to have roller-skated
they oughtn't to have roller-skated	I oughtn't to have been roller-skating
you oughtn't to have been roller-skating
he oughtn't to have been roller-skating
we oughtn't to have been roller-skating
you oughtn't to have been roller-skating
they oughtn't to have been roller-skating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I roller-skate?
ought to you roller-skate?
ought to he roller-skate?
ought to we roller-skate?
ought to you roller-skate?
ought to they roller-skate? 	ought to I be roller-skating?
ought to you be roller-skating?
ought to he be roller-skating?
ought to we be roller-skating?
ought to you be roller-skating?
ought to they be roller-skating? 	ought to I have roller-skated?
ought to you have roller-skated?
ought to he have roller-skated?
ought to we have roller-skated?
ought to you have roller-skated?
ought to they have roller-skated? 	ought to I have been roller-skating?
ought to you have been roller-skating?
ought to he have been roller-skating?
ought to we have been roller-skating?
ought to you have been roller-skating?
ought to they have been roller-skating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to roller-skate?
oughtn't you to roller-skate?
oughtn't he to roller-skate?
oughtn't we to roller-skate?
oughtn't you to roller-skate?
oughtn't they to roller-skate? 	oughtn't I to be roller-skating?
oughtn't you to be roller-skating?
oughtn't he to be roller-skating?
oughtn't we to be roller-skating?
oughtn't you to be roller-skating?
oughtn't they to be roller-skating? 	oughtn't I to have roller-skated?
oughtn't you to have roller-skated?
oughtn't he to have roller-skated?
oughtn't we to have roller-skated?
oughtn't you to have roller-skated?
oughtn't they to have roller-skated? 	oughtn't I to have been roller-skating?
oughtn't you to have been roller-skating?
oughtn't he to have been roller-skating?
oughtn't we to have been roller-skating?
oughtn't you to have been roller-skating?
oughtn't they to have been roller-skating?