English verb conjugation
COULD SUBURBANIZE

Regular verb: suburbanize - suburbanized - suburbanized

Affirmation

Simple form	V-ing form
I could suburbanize you could suburbanize she could suburbanize we could suburbanize you could suburbanize they could suburbanize	I could be suburbanizing you could be suburbanizing she could be suburbanizing we could be suburbanizing you could be suburbanizing they could be suburbanizing
Perfect	V-ing perfect
I could have suburbanized you could have suburbanized she could have suburbanized we could have suburbanized you could have suburbanized they could have suburbanized	I could have been suburbanizing you could have been suburbanizing she could have been suburbanizing we could have been suburbanizing you could have been suburbanizing they could have been suburbanizing

Negation

Simple form	V-ing form
I couldn't suburbanize you couldn't suburbanize she couldn't suburbanize we couldn't suburbanize you couldn't suburbanize they couldn't suburbanize	I couldn't be suburbanizing you couldn't be suburbanizing she couldn't be suburbanizing we couldn't be suburbanizing you couldn't be suburbanizing they couldn't be suburbanizing
Perfect	V-ing perfect
I couldn't have suburbanized you couldn't have suburbanized she couldn't have suburbanized we couldn't have suburbanized you couldn't have suburbanized they couldn't have suburbanized	I couldn't have been suburbanizing you couldn't have been suburbanizing she couldn't have been suburbanizing we couldn't have been suburbanizing you couldn't have been suburbanizing they couldn't have been suburbanizing

Interrogative form

Simple form	V-ing form
could I suburbanize? could you suburbanize? could she suburbanize? could we suburbanize? could you suburbanize? could they suburbanize?	could I be suburbanizing? could you be suburbanizing? could she be suburbanizing? could we be suburbanizing? could you be suburbanizing? could they be suburbanizing?
Perfect	V-ing perfect
could I have suburbanized? could you have suburbanized? could she have suburbanized? could we have suburbanized? could you have suburbanized? could they have suburbanized?	could I have been suburbanizing? could you have been suburbanizing? could she have been suburbanizing? could we have been suburbanizing? could you have been suburbanizing? could they have been suburbanizing?

Interro-negative form

Simple form	V-ing form
couldn't I suburbanize? couldn't you suburbanize? couldn't she suburbanize? couldn't we suburbanize? couldn't you suburbanize? couldn't they suburbanize?	couldn't I be suburbanizing? couldn't you be suburbanizing? couldn't she be suburbanizing? couldn't we be suburbanizing? couldn't you be suburbanizing? couldn't they be suburbanizing?
Perfect	V-ing perfect
couldn't I have suburbanized? couldn't you have suburbanized? couldn't she have suburbanized? couldn't we have suburbanized? couldn't you have suburbanized? couldn't they have suburbanized?	couldn't I have been suburbanizing? couldn't you have been suburbanizing? couldn't she have been suburbanizing? couldn't we have been suburbanizing? couldn't you have been suburbanizing? couldn't they have been suburbanizing?