I ought to flap you ought to flap she ought to flap we ought to flap you ought to flap they ought to flap
V-ing form
I ought to be flapping you ought to be flapping she ought to be flapping we ought to be flapping you ought to be flapping they ought to be flapping
Perfect
I ought to have flapped you ought to have flapped she ought to have flapped we ought to have flapped you ought to have flapped they ought to have flapped
V-ing perfect
I ought to have been flapping you ought to have been flapping she ought to have been flapping we ought to have been flapping you ought to have been flapping they ought to have been flapping
Negation
Simple form
I oughtn't to flap you oughtn't to flap she oughtn't to flap we oughtn't to flap you oughtn't to flap they oughtn't to flap
V-ing form
I oughtn't to be flapping you oughtn't to be flapping she oughtn't to be flapping we oughtn't to be flapping you oughtn't to be flapping they oughtn't to be flapping
Perfect
I oughtn't to have flapped you oughtn't to have flapped she oughtn't to have flapped we oughtn't to have flapped you oughtn't to have flapped they oughtn't to have flapped
V-ing perfect
I oughtn't to have been flapping you oughtn't to have been flapping she oughtn't to have been flapping we oughtn't to have been flapping you oughtn't to have been flapping they oughtn't to have been flapping
Interrogative form
Simple form
ought to I flap? ought to you flap? ought to she flap? ought to we flap? ought to you flap? ought to they flap?
V-ing form
ought to I be flapping? ought to you be flapping? ought to she be flapping? ought to we be flapping? ought to you be flapping? ought to they be flapping?
Perfect
ought to I have flapped? ought to you have flapped? ought to she have flapped? ought to we have flapped? ought to you have flapped? ought to they have flapped?
V-ing perfect
ought to I have been flapping? ought to you have been flapping? ought to she have been flapping? ought to we have been flapping? ought to you have been flapping? ought to they have been flapping?
Interro-negative form
Simple form
oughtn't I to flap? oughtn't you to flap? oughtn't she to flap? oughtn't we to flap? oughtn't you to flap? oughtn't they to flap?
V-ing form
oughtn't I to be flapping? oughtn't you to be flapping? oughtn't she to be flapping? oughtn't we to be flapping? oughtn't you to be flapping? oughtn't they to be flapping?
Perfect
oughtn't I to have flapped? oughtn't you to have flapped? oughtn't she to have flapped? oughtn't we to have flapped? oughtn't you to have flapped? oughtn't they to have flapped?
V-ing perfect
oughtn't I to have been flapping? oughtn't you to have been flapping? oughtn't she to have been flapping? oughtn't we to have been flapping? oughtn't you to have been flapping? oughtn't they to have been flapping?