English verb conjugation
COULD VISUALIZE

Regular verb: visualize - visualized - visualized

Affirmation

Simple form	V-ing form
I could visualize you could visualize he could visualize we could visualize you could visualize they could visualize	I could be visualizing you could be visualizing he could be visualizing we could be visualizing you could be visualizing they could be visualizing
Perfect	V-ing perfect
I could have visualized you could have visualized he could have visualized we could have visualized you could have visualized they could have visualized	I could have been visualizing you could have been visualizing he could have been visualizing we could have been visualizing you could have been visualizing they could have been visualizing

Negation

Simple form	V-ing form
I couldn't visualize you couldn't visualize he couldn't visualize we couldn't visualize you couldn't visualize they couldn't visualize	I couldn't be visualizing you couldn't be visualizing he couldn't be visualizing we couldn't be visualizing you couldn't be visualizing they couldn't be visualizing
Perfect	V-ing perfect
I couldn't have visualized you couldn't have visualized he couldn't have visualized we couldn't have visualized you couldn't have visualized they couldn't have visualized	I couldn't have been visualizing you couldn't have been visualizing he couldn't have been visualizing we couldn't have been visualizing you couldn't have been visualizing they couldn't have been visualizing

Interrogative form

Simple form	V-ing form
could I visualize? could you visualize? could he visualize? could we visualize? could you visualize? could they visualize?	could I be visualizing? could you be visualizing? could he be visualizing? could we be visualizing? could you be visualizing? could they be visualizing?
Perfect	V-ing perfect
could I have visualized? could you have visualized? could he have visualized? could we have visualized? could you have visualized? could they have visualized?	could I have been visualizing? could you have been visualizing? could he have been visualizing? could we have been visualizing? could you have been visualizing? could they have been visualizing?

Interro-negative form

Simple form	V-ing form
couldn't I visualize? couldn't you visualize? couldn't he visualize? couldn't we visualize? couldn't you visualize? couldn't they visualize?	couldn't I be visualizing? couldn't you be visualizing? couldn't he be visualizing? couldn't we be visualizing? couldn't you be visualizing? couldn't they be visualizing?
Perfect	V-ing perfect
couldn't I have visualized? couldn't you have visualized? couldn't he have visualized? couldn't we have visualized? couldn't you have visualized? couldn't they have visualized?	couldn't I have been visualizing? couldn't you have been visualizing? couldn't he have been visualizing? couldn't we have been visualizing? couldn't you have been visualizing? couldn't they have been visualizing?