ought to seat
Regular verb: seat - seated- seated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to seat
you ought to seat
he ought to seat
we ought to seat
you ought to seat
they ought to seat 	I ought to be seating
you ought to be seating
he ought to be seating
we ought to be seating
you ought to be seating
they ought to be seating	I ought to have seated
you ought to have seated
he ought to have seated
we ought to have seated
you ought to have seated
they ought to have seated	I ought to have been seating
you ought to have been seating
he ought to have been seating
we ought to have been seating
you ought to have been seating
they ought to have been seating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to seat
you oughtn't to seat
he oughtn't to seat
we oughtn't to seat
you oughtn't to seat
they oughtn't to seat 	I oughtn't to be seating
you oughtn't to be seating
he oughtn't to be seating
we oughtn't to be seating
you oughtn't to be seating
they oughtn't to be seating	I oughtn't to have seated
you oughtn't to have seated
he oughtn't to have seated
we oughtn't to have seated
you oughtn't to have seated
they oughtn't to have seated	I oughtn't to have been seating
you oughtn't to have been seating
he oughtn't to have been seating
we oughtn't to have been seating
you oughtn't to have been seating
they oughtn't to have been seating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I seat?
ought to you seat?
ought to he seat?
ought to we seat?
ought to you seat?
ought to they seat? 	ought to I be seating?
ought to you be seating?
ought to he be seating?
ought to we be seating?
ought to you be seating?
ought to they be seating? 	ought to I have seated?
ought to you have seated?
ought to he have seated?
ought to we have seated?
ought to you have seated?
ought to they have seated? 	ought to I have been seating?
ought to you have been seating?
ought to he have been seating?
ought to we have been seating?
ought to you have been seating?
ought to they have been seating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to seat?
oughtn't you to seat?
oughtn't he to seat?
oughtn't we to seat?
oughtn't you to seat?
oughtn't they to seat? 	oughtn't I to be seating?
oughtn't you to be seating?
oughtn't he to be seating?
oughtn't we to be seating?
oughtn't you to be seating?
oughtn't they to be seating? 	oughtn't I to have seated?
oughtn't you to have seated?
oughtn't he to have seated?
oughtn't we to have seated?
oughtn't you to have seated?
oughtn't they to have seated? 	oughtn't I to have been seating?
oughtn't you to have been seating?
oughtn't he to have been seating?
oughtn't we to have been seating?
oughtn't you to have been seating?
oughtn't they to have been seating?