English verb conjugation
COULD POLLUTE

Regular verb: pollute - polluted - polluted

Affirmation

Simple form	V-ing form
I could pollute you could pollute he could pollute we could pollute you could pollute they could pollute	I could be polluting you could be polluting he could be polluting we could be polluting you could be polluting they could be polluting
Perfect	V-ing perfect
I could have polluted you could have polluted he could have polluted we could have polluted you could have polluted they could have polluted	I could have been polluting you could have been polluting he could have been polluting we could have been polluting you could have been polluting they could have been polluting

Negation

Simple form	V-ing form
I could not pollute you could not pollute he could not pollute we could not pollute you could not pollute they could not pollute	I could not be polluting you could not be polluting he could not be polluting we could not be polluting you could not be polluting they could not be polluting
Perfect	V-ing perfect
I could not have polluted you could not have polluted he could not have polluted we could not have polluted you could not have polluted they could not have polluted	I could not have been polluting you could not have been polluting he could not have been polluting we could not have been polluting you could not have been polluting they could not have been polluting

Interrogative form

Simple form	V-ing form
could I pollute? could you pollute? could he pollute? could we pollute? could you pollute? could they pollute?	could I be polluting? could you be polluting? could he be polluting? could we be polluting? could you be polluting? could they be polluting?
Perfect	V-ing perfect
could I have polluted? could you have polluted? could he have polluted? could we have polluted? could you have polluted? could they have polluted?	could I have been polluting? could you have been polluting? could he have been polluting? could we have been polluting? could you have been polluting? could they have been polluting?

Interro-negative form

Simple form	V-ing form
could I not pollute? could you not pollute? could he not pollute? could we not pollute? could you not pollute? could they not pollute?	could I not be polluting? could you not be polluting? could he not be polluting? could we not be polluting? could you not be polluting? could they not be polluting?
Perfect	V-ing perfect
could I not have polluted? could you not have polluted? could he not have polluted? could we not have polluted? could you not have polluted? could they not have polluted?	could I not have been polluting? could you not have been polluting? could he not have been polluting? could we not have been polluting? could you not have been polluting? could they not have been polluting?