English verb conjugation
OUGHT TO CROW

Regular verb: crow - crowed - crowed

Affirmation

Simple form	V-ing form
I ought to crow you ought to crow he ought to crow we ought to crow you ought to crow they ought to crow	I ought to be crowing you ought to be crowing he ought to be crowing we ought to be crowing you ought to be crowing they ought to be crowing
Perfect	V-ing perfect
I ought to have crowed you ought to have crowed he ought to have crowed we ought to have crowed you ought to have crowed they ought to have crowed	I ought to have been crowing you ought to have been crowing he ought to have been crowing we ought to have been crowing you ought to have been crowing they ought to have been crowing

Negation

Simple form	V-ing form
I oughtn't to crow you oughtn't to crow he oughtn't to crow we oughtn't to crow you oughtn't to crow they oughtn't to crow	I oughtn't to be crowing you oughtn't to be crowing he oughtn't to be crowing we oughtn't to be crowing you oughtn't to be crowing they oughtn't to be crowing
Perfect	V-ing perfect
I oughtn't to have crowed you oughtn't to have crowed he oughtn't to have crowed we oughtn't to have crowed you oughtn't to have crowed they oughtn't to have crowed	I oughtn't to have been crowing you oughtn't to have been crowing he oughtn't to have been crowing we oughtn't to have been crowing you oughtn't to have been crowing they oughtn't to have been crowing

Interrogative form

Simple form	V-ing form
ought to I crow? ought to you crow? ought to he crow? ought to we crow? ought to you crow? ought to they crow?	ought to I be crowing? ought to you be crowing? ought to he be crowing? ought to we be crowing? ought to you be crowing? ought to they be crowing?
Perfect	V-ing perfect
ought to I have crowed? ought to you have crowed? ought to he have crowed? ought to we have crowed? ought to you have crowed? ought to they have crowed?	ought to I have been crowing? ought to you have been crowing? ought to he have been crowing? ought to we have been crowing? ought to you have been crowing? ought to they have been crowing?

Interro-negative form

Simple form	V-ing form
oughtn't I to crow? oughtn't you to crow? oughtn't he to crow? oughtn't we to crow? oughtn't you to crow? oughtn't they to crow?	oughtn't I to be crowing? oughtn't you to be crowing? oughtn't he to be crowing? oughtn't we to be crowing? oughtn't you to be crowing? oughtn't they to be crowing?
Perfect	V-ing perfect
oughtn't I to have crowed? oughtn't you to have crowed? oughtn't he to have crowed? oughtn't we to have crowed? oughtn't you to have crowed? oughtn't they to have crowed?	oughtn't I to have been crowing? oughtn't you to have been crowing? oughtn't he to have been crowing? oughtn't we to have been crowing? oughtn't you to have been crowing? oughtn't they to have been crowing?