English verb conjugation
COULD SINGULARIZE

Regular verb: singularize - singularized - singularized

Affirmation

Simple form	V-ing form
I could singularize you could singularize she could singularize we could singularize you could singularize they could singularize	I could be singularizing you could be singularizing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she singularize? could we singularize? could you singularize? could they singularize?	could I be singularizing? could you be singularizing? could she 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 she 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 she 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 she 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 she 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 she 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 she not have been singularizing? could we not have been singularizing? could you not have been singularizing? could they not have been singularizing?