I ought to perforate you ought to perforate he ought to perforate we ought to perforate you ought to perforate they ought to perforate
V-ing form
I ought to be perforating you ought to be perforating he ought to be perforating we ought to be perforating you ought to be perforating they ought to be perforating
Perfect
I ought to have perforated you ought to have perforated he ought to have perforated we ought to have perforated you ought to have perforated they ought to have perforated
V-ing perfect
I ought to have been perforating you ought to have been perforating he ought to have been perforating we ought to have been perforating you ought to have been perforating they ought to have been perforating
Negation
Simple form
I oughtn't to perforate you oughtn't to perforate he oughtn't to perforate we oughtn't to perforate you oughtn't to perforate they oughtn't to perforate
V-ing form
I oughtn't to be perforating you oughtn't to be perforating he oughtn't to be perforating we oughtn't to be perforating you oughtn't to be perforating they oughtn't to be perforating
Perfect
I oughtn't to have perforated you oughtn't to have perforated he oughtn't to have perforated we oughtn't to have perforated you oughtn't to have perforated they oughtn't to have perforated
V-ing perfect
I oughtn't to have been perforating you oughtn't to have been perforating he oughtn't to have been perforating we oughtn't to have been perforating you oughtn't to have been perforating they oughtn't to have been perforating
Interrogative form
Simple form
ought to I perforate? ought to you perforate? ought to he perforate? ought to we perforate? ought to you perforate? ought to they perforate?
V-ing form
ought to I be perforating? ought to you be perforating? ought to he be perforating? ought to we be perforating? ought to you be perforating? ought to they be perforating?
Perfect
ought to I have perforated? ought to you have perforated? ought to he have perforated? ought to we have perforated? ought to you have perforated? ought to they have perforated?
V-ing perfect
ought to I have been perforating? ought to you have been perforating? ought to he have been perforating? ought to we have been perforating? ought to you have been perforating? ought to they have been perforating?
Interro-negative form
Simple form
oughtn't I to perforate? oughtn't you to perforate? oughtn't he to perforate? oughtn't we to perforate? oughtn't you to perforate? oughtn't they to perforate?
V-ing form
oughtn't I to be perforating? oughtn't you to be perforating? oughtn't he to be perforating? oughtn't we to be perforating? oughtn't you to be perforating? oughtn't they to be perforating?
Perfect
oughtn't I to have perforated? oughtn't you to have perforated? oughtn't he to have perforated? oughtn't we to have perforated? oughtn't you to have perforated? oughtn't they to have perforated?
V-ing perfect
oughtn't I to have been perforating? oughtn't you to have been perforating? oughtn't he to have been perforating? oughtn't we to have been perforating? oughtn't you to have been perforating? oughtn't they to have been perforating?