English verb conjugation
OUGHT TO FLAP

Regular verb: flap - flapped - flapped

Affirmation

Simple form	V-ing form
I ought to flap you ought to flap he ought to flap we ought to flap you ought to flap they ought to flap	I ought to be flapping you ought to be flapping he ought to be flapping we ought to be flapping you ought to be flapping they ought to be flapping
Perfect	V-ing perfect
I ought to have flapped you ought to have flapped he ought to have flapped we ought to have flapped you ought to have flapped they ought to have flapped	I ought to have been flapping you ought to have been flapping he 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	V-ing form
I oughtn't to flap you oughtn't to flap he oughtn't to flap we oughtn't to flap you oughtn't to flap they oughtn't to flap	I oughtn't to be flapping you oughtn't to be flapping he oughtn't to be flapping we oughtn't to be flapping you oughtn't to be flapping they oughtn't to be flapping
Perfect	V-ing perfect
I oughtn't to have flapped you oughtn't to have flapped he oughtn't to have flapped we oughtn't to have flapped you oughtn't to have flapped they oughtn't to have flapped	I oughtn't to have been flapping you oughtn't to have been flapping he 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	V-ing form
ought to I flap? ought to you flap? ought to he flap? ought to we flap? ought to you flap? ought to they flap?	ought to I be flapping? ought to you be flapping? ought to he be flapping? ought to we be flapping? ought to you be flapping? ought to they be flapping?
Perfect	V-ing perfect
ought to I have flapped? ought to you have flapped? ought to he have flapped? ought to we have flapped? ought to you have flapped? ought to they have flapped?	ought to I have been flapping? ought to you have been flapping? ought to he 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	V-ing form
oughtn't I to flap? oughtn't you to flap? oughtn't he to flap? oughtn't we to flap? oughtn't you to flap? oughtn't they to flap?	oughtn't I to be flapping? oughtn't you to be flapping? oughtn't he to be flapping? oughtn't we to be flapping? oughtn't you to be flapping? oughtn't they to be flapping?
Perfect	V-ing perfect
oughtn't I to have flapped? oughtn't you to have flapped? oughtn't he to have flapped? oughtn't we to have flapped? oughtn't you to have flapped? oughtn't they to have flapped?	oughtn't I to have been flapping? oughtn't you to have been flapping? oughtn't he 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?