English verb conjugation
OUGHT TO INFEST

Regular verb: infest - infested - infested

Affirmation

Simple form	V-ing form
I ought to infest you ought to infest he ought to infest we ought to infest you ought to infest they ought to infest	I ought to be infesting you ought to be infesting he ought to be infesting we ought to be infesting you ought to be infesting they ought to be infesting
Perfect	V-ing perfect
I ought to have infested you ought to have infested he ought to have infested we ought to have infested you ought to have infested they ought to have infested	I ought to have been infesting you ought to have been infesting he ought to have been infesting we ought to have been infesting you ought to have been infesting they ought to have been infesting

Negation

Simple form	V-ing form
I oughtn't to infest you oughtn't to infest he oughtn't to infest we oughtn't to infest you oughtn't to infest they oughtn't to infest	I oughtn't to be infesting you oughtn't to be infesting he oughtn't to be infesting we oughtn't to be infesting you oughtn't to be infesting they oughtn't to be infesting
Perfect	V-ing perfect
I oughtn't to have infested you oughtn't to have infested he oughtn't to have infested we oughtn't to have infested you oughtn't to have infested they oughtn't to have infested	I oughtn't to have been infesting you oughtn't to have been infesting he oughtn't to have been infesting we oughtn't to have been infesting you oughtn't to have been infesting they oughtn't to have been infesting

Interrogative form

Simple form	V-ing form
ought to I infest? ought to you infest? ought to he infest? ought to we infest? ought to you infest? ought to they infest?	ought to I be infesting? ought to you be infesting? ought to he be infesting? ought to we be infesting? ought to you be infesting? ought to they be infesting?
Perfect	V-ing perfect
ought to I have infested? ought to you have infested? ought to he have infested? ought to we have infested? ought to you have infested? ought to they have infested?	ought to I have been infesting? ought to you have been infesting? ought to he have been infesting? ought to we have been infesting? ought to you have been infesting? ought to they have been infesting?

Interro-negative form

Simple form	V-ing form
oughtn't I to infest? oughtn't you to infest? oughtn't he to infest? oughtn't we to infest? oughtn't you to infest? oughtn't they to infest?	oughtn't I to be infesting? oughtn't you to be infesting? oughtn't he to be infesting? oughtn't we to be infesting? oughtn't you to be infesting? oughtn't they to be infesting?
Perfect	V-ing perfect
oughtn't I to have infested? oughtn't you to have infested? oughtn't he to have infested? oughtn't we to have infested? oughtn't you to have infested? oughtn't they to have infested?	oughtn't I to have been infesting? oughtn't you to have been infesting? oughtn't he to have been infesting? oughtn't we to have been infesting? oughtn't you to have been infesting? oughtn't they to have been infesting?