I ought to swap you ought to swap he ought to swap we ought to swap you ought to swap they ought to swap
V-ing form
I ought to be swaping you ought to be swaping he ought to be swaping we ought to be swaping you ought to be swaping they ought to be swaping
Perfect
I ought to have swaped you ought to have swaped he ought to have swaped we ought to have swaped you ought to have swaped they ought to have swaped
V-ing perfect
I ought to have been swaping you ought to have been swaping he ought to have been swaping we ought to have been swaping you ought to have been swaping they ought to have been swaping
Negation
Simple form
I oughtn't to swap you oughtn't to swap he oughtn't to swap we oughtn't to swap you oughtn't to swap they oughtn't to swap
V-ing form
I oughtn't to be swaping you oughtn't to be swaping he oughtn't to be swaping we oughtn't to be swaping you oughtn't to be swaping they oughtn't to be swaping
Perfect
I oughtn't to have swaped you oughtn't to have swaped he oughtn't to have swaped we oughtn't to have swaped you oughtn't to have swaped they oughtn't to have swaped
V-ing perfect
I oughtn't to have been swaping you oughtn't to have been swaping he oughtn't to have been swaping we oughtn't to have been swaping you oughtn't to have been swaping they oughtn't to have been swaping
Interrogative form
Simple form
ought to I swap? ought to you swap? ought to he swap? ought to we swap? ought to you swap? ought to they swap?
V-ing form
ought to I be swaping? ought to you be swaping? ought to he be swaping? ought to we be swaping? ought to you be swaping? ought to they be swaping?
Perfect
ought to I have swaped? ought to you have swaped? ought to he have swaped? ought to we have swaped? ought to you have swaped? ought to they have swaped?
V-ing perfect
ought to I have been swaping? ought to you have been swaping? ought to he have been swaping? ought to we have been swaping? ought to you have been swaping? ought to they have been swaping?
Interro-negative form
Simple form
oughtn't I to swap? oughtn't you to swap? oughtn't he to swap? oughtn't we to swap? oughtn't you to swap? oughtn't they to swap?
V-ing form
oughtn't I to be swaping? oughtn't you to be swaping? oughtn't he to be swaping? oughtn't we to be swaping? oughtn't you to be swaping? oughtn't they to be swaping?
Perfect
oughtn't I to have swaped? oughtn't you to have swaped? oughtn't he to have swaped? oughtn't we to have swaped? oughtn't you to have swaped? oughtn't they to have swaped?
V-ing perfect
oughtn't I to have been swaping? oughtn't you to have been swaping? oughtn't he to have been swaping? oughtn't we to have been swaping? oughtn't you to have been swaping? oughtn't they to have been swaping?