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