English verb conjugation
COULD PUBLISH

Regular verb: publish - published - published

Affirmation

Simple form	V-ing form
I could publish you could publish he could publish we could publish you could publish they could publish	I could be publishing you could be publishing he could be publishing we could be publishing you could be publishing they could be publishing
Perfect	V-ing perfect
I could have published you could have published he could have published we could have published you could have published they could have published	I could have been publishing you could have been publishing he could have been publishing we could have been publishing you could have been publishing they could have been publishing

Negation

Simple form	V-ing form
I could not publish you could not publish he could not publish we could not publish you could not publish they could not publish	I could not be publishing you could not be publishing he could not be publishing we could not be publishing you could not be publishing they could not be publishing
Perfect	V-ing perfect
I could not have published you could not have published he could not have published we could not have published you could not have published they could not have published	I could not have been publishing you could not have been publishing he could not have been publishing we could not have been publishing you could not have been publishing they could not have been publishing

Interrogative form

Simple form	V-ing form
could I publish? could you publish? could he publish? could we publish? could you publish? could they publish?	could I be publishing? could you be publishing? could he be publishing? could we be publishing? could you be publishing? could they be publishing?
Perfect	V-ing perfect
could I have published? could you have published? could he have published? could we have published? could you have published? could they have published?	could I have been publishing? could you have been publishing? could he have been publishing? could we have been publishing? could you have been publishing? could they have been publishing?

Interro-negative form

Simple form	V-ing form
could I not publish? could you not publish? could he not publish? could we not publish? could you not publish? could they not publish?	could I not be publishing? could you not be publishing? could he not be publishing? could we not be publishing? could you not be publishing? could they not be publishing?
Perfect	V-ing perfect
could I not have published? could you not have published? could he not have published? could we not have published? could you not have published? could they not have published?	could I not have been publishing? could you not have been publishing? could he not have been publishing? could we not have been publishing? could you not have been publishing? could they not have been publishing?