English verb conjugation
COULD SINGULARIZE

Regular verb: singularize - singularized - singularized

Affirmation

Simple form	V-ing form
I could singularize you could singularize he could singularize we could singularize you could singularize they could singularize	I could be singularizing you could be singularizing he could be singularizing we could be singularizing you could be singularizing they could be singularizing
Perfect	V-ing perfect
I could have singularized you could have singularized he could have singularized we could have singularized you could have singularized they could have singularized	I could have been singularizing you could have been singularizing he could have been singularizing we could have been singularizing you could have been singularizing they could have been singularizing

Negation

Simple form	V-ing form
I could not singularize you could not singularize he could not singularize we could not singularize you could not singularize they could not singularize	I could not be singularizing you could not be singularizing he could not be singularizing we could not be singularizing you could not be singularizing they could not be singularizing
Perfect	V-ing perfect
I could not have singularized you could not have singularized he could not have singularized we could not have singularized you could not have singularized they could not have singularized	I could not have been singularizing you could not have been singularizing he could not have been singularizing we could not have been singularizing you could not have been singularizing they could not have been singularizing

Interrogative form

Simple form	V-ing form
could I singularize? could you singularize? could he singularize? could we singularize? could you singularize? could they singularize?	could I be singularizing? could you be singularizing? could he be singularizing? could we be singularizing? could you be singularizing? could they be singularizing?
Perfect	V-ing perfect
could I have singularized? could you have singularized? could he have singularized? could we have singularized? could you have singularized? could they have singularized?	could I have been singularizing? could you have been singularizing? could he have been singularizing? could we have been singularizing? could you have been singularizing? could they have been singularizing?

Interro-negative form

Simple form	V-ing form
could I not singularize? could you not singularize? could he not singularize? could we not singularize? could you not singularize? could they not singularize?	could I not be singularizing? could you not be singularizing? could he not be singularizing? could we not be singularizing? could you not be singularizing? could they not be singularizing?
Perfect	V-ing perfect
could I not have singularized? could you not have singularized? could he not have singularized? could we not have singularized? could you not have singularized? could they not have singularized?	could I not have been singularizing? could you not have been singularizing? could he not have been singularizing? could we not have been singularizing? could you not have been singularizing? could they not have been singularizing?