ought to skate
Regular verb: skate - skated- skated

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

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

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

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