English verb conjugation
COULD FORMULIZE

Regular verb: formulize - formulized - formulized

Affirmation

Simple form	V-ing form
I could formulize you could formulize he could formulize we could formulize you could formulize they could formulize	I could be formulizing you could be formulizing he could be formulizing we could be formulizing you could be formulizing they could be formulizing
Perfect	V-ing perfect
I could have formulized you could have formulized he could have formulized we could have formulized you could have formulized they could have formulized	I could have been formulizing you could have been formulizing he could have been formulizing we could have been formulizing you could have been formulizing they could have been formulizing

Negation

Simple form	V-ing form
I could not formulize you could not formulize he could not formulize we could not formulize you could not formulize they could not formulize	I could not be formulizing you could not be formulizing he could not be formulizing we could not be formulizing you could not be formulizing they could not be formulizing
Perfect	V-ing perfect
I could not have formulized you could not have formulized he could not have formulized we could not have formulized you could not have formulized they could not have formulized	I could not have been formulizing you could not have been formulizing he could not have been formulizing we could not have been formulizing you could not have been formulizing they could not have been formulizing

Interrogative form

Simple form	V-ing form
could I formulize? could you formulize? could he formulize? could we formulize? could you formulize? could they formulize?	could I be formulizing? could you be formulizing? could he be formulizing? could we be formulizing? could you be formulizing? could they be formulizing?
Perfect	V-ing perfect
could I have formulized? could you have formulized? could he have formulized? could we have formulized? could you have formulized? could they have formulized?	could I have been formulizing? could you have been formulizing? could he have been formulizing? could we have been formulizing? could you have been formulizing? could they have been formulizing?

Interro-negative form

Simple form	V-ing form
could I not formulize? could you not formulize? could he not formulize? could we not formulize? could you not formulize? could they not formulize?	could I not be formulizing? could you not be formulizing? could he not be formulizing? could we not be formulizing? could you not be formulizing? could they not be formulizing?
Perfect	V-ing perfect
could I not have formulized? could you not have formulized? could he not have formulized? could we not have formulized? could you not have formulized? could they not have formulized?	could I not have been formulizing? could you not have been formulizing? could he not have been formulizing? could we not have been formulizing? could you not have been formulizing? could they not have been formulizing?