English verb conjugation
OUGHT TO ENDOW

Regular verb: endow - endowed - endowed

Affirmation

Simple form	V-ing form
I ought to endow you ought to endow he ought to endow we ought to endow you ought to endow they ought to endow	I ought to be endowing you ought to be endowing he ought to be endowing we ought to be endowing you ought to be endowing they ought to be endowing
Perfect	V-ing perfect
I ought to have endowed you ought to have endowed he ought to have endowed we ought to have endowed you ought to have endowed they ought to have endowed	I ought to have been endowing you ought to have been endowing he ought to have been endowing we ought to have been endowing you ought to have been endowing they ought to have been endowing

Negation

Simple form	V-ing form
I oughtn't to endow you oughtn't to endow he oughtn't to endow we oughtn't to endow you oughtn't to endow they oughtn't to endow	I oughtn't to be endowing you oughtn't to be endowing he oughtn't to be endowing we oughtn't to be endowing you oughtn't to be endowing they oughtn't to be endowing
Perfect	V-ing perfect
I oughtn't to have endowed you oughtn't to have endowed he oughtn't to have endowed we oughtn't to have endowed you oughtn't to have endowed they oughtn't to have endowed	I oughtn't to have been endowing you oughtn't to have been endowing he oughtn't to have been endowing we oughtn't to have been endowing you oughtn't to have been endowing they oughtn't to have been endowing

Interrogative form

Simple form	V-ing form
ought to I endow? ought to you endow? ought to he endow? ought to we endow? ought to you endow? ought to they endow?	ought to I be endowing? ought to you be endowing? ought to he be endowing? ought to we be endowing? ought to you be endowing? ought to they be endowing?
Perfect	V-ing perfect
ought to I have endowed? ought to you have endowed? ought to he have endowed? ought to we have endowed? ought to you have endowed? ought to they have endowed?	ought to I have been endowing? ought to you have been endowing? ought to he have been endowing? ought to we have been endowing? ought to you have been endowing? ought to they have been endowing?

Interro-negative form

Simple form	V-ing form
oughtn't I to endow? oughtn't you to endow? oughtn't he to endow? oughtn't we to endow? oughtn't you to endow? oughtn't they to endow?	oughtn't I to be endowing? oughtn't you to be endowing? oughtn't he to be endowing? oughtn't we to be endowing? oughtn't you to be endowing? oughtn't they to be endowing?
Perfect	V-ing perfect
oughtn't I to have endowed? oughtn't you to have endowed? oughtn't he to have endowed? oughtn't we to have endowed? oughtn't you to have endowed? oughtn't they to have endowed?	oughtn't I to have been endowing? oughtn't you to have been endowing? oughtn't he to have been endowing? oughtn't we to have been endowing? oughtn't you to have been endowing? oughtn't they to have been endowing?