I ought to seat you ought to seat he ought to seat we ought to seat you ought to seat they ought to seat
V-ing form
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
Perfect
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
V-ing perfect
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
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
V-ing form
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
Perfect
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
V-ing perfect
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
ought to I seat? ought to you seat? ought to he seat? ought to we seat? ought to you seat? ought to they seat?
V-ing form
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?
Perfect
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?
V-ing perfect
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
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?
V-ing form
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?
Perfect
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?
V-ing perfect
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?