English verb conjugation
OUGHT TO LEAVEN

Regular verb: leaven - leavened - leavened

Affirmation

Simple form	V-ing form
I ought to leaven you ought to leaven he ought to leaven we ought to leaven you ought to leaven they ought to leaven	I ought to be leavening you ought to be leavening he ought to be leavening we ought to be leavening you ought to be leavening they ought to be leavening
Perfect	V-ing perfect
I ought to have leavened you ought to have leavened he ought to have leavened we ought to have leavened you ought to have leavened they ought to have leavened	I ought to have been leavening you ought to have been leavening he ought to have been leavening we ought to have been leavening you ought to have been leavening they ought to have been leavening

Negation

Simple form	V-ing form
I oughtn't to leaven you oughtn't to leaven he oughtn't to leaven we oughtn't to leaven you oughtn't to leaven they oughtn't to leaven	I oughtn't to be leavening you oughtn't to be leavening he oughtn't to be leavening we oughtn't to be leavening you oughtn't to be leavening they oughtn't to be leavening
Perfect	V-ing perfect
I oughtn't to have leavened you oughtn't to have leavened he oughtn't to have leavened we oughtn't to have leavened you oughtn't to have leavened they oughtn't to have leavened	I oughtn't to have been leavening you oughtn't to have been leavening he oughtn't to have been leavening we oughtn't to have been leavening you oughtn't to have been leavening they oughtn't to have been leavening

Interrogative form

Simple form	V-ing form
ought to I leaven? ought to you leaven? ought to he leaven? ought to we leaven? ought to you leaven? ought to they leaven?	ought to I be leavening? ought to you be leavening? ought to he be leavening? ought to we be leavening? ought to you be leavening? ought to they be leavening?
Perfect	V-ing perfect
ought to I have leavened? ought to you have leavened? ought to he have leavened? ought to we have leavened? ought to you have leavened? ought to they have leavened?	ought to I have been leavening? ought to you have been leavening? ought to he have been leavening? ought to we have been leavening? ought to you have been leavening? ought to they have been leavening?

Interro-negative form

Simple form	V-ing form
oughtn't I to leaven? oughtn't you to leaven? oughtn't he to leaven? oughtn't we to leaven? oughtn't you to leaven? oughtn't they to leaven?	oughtn't I to be leavening? oughtn't you to be leavening? oughtn't he to be leavening? oughtn't we to be leavening? oughtn't you to be leavening? oughtn't they to be leavening?
Perfect	V-ing perfect
oughtn't I to have leavened? oughtn't you to have leavened? oughtn't he to have leavened? oughtn't we to have leavened? oughtn't you to have leavened? oughtn't they to have leavened?	oughtn't I to have been leavening? oughtn't you to have been leavening? oughtn't he to have been leavening? oughtn't we to have been leavening? oughtn't you to have been leavening? oughtn't they to have been leavening?