I can visualize you can visualize he can visualize we can visualize you can visualize they can visualize
V-ing form
I can be visualizing you can be visualizing he can be visualizing we can be visualizing you can be visualizing they can be visualizing
Perfect
I can have visualized you can have visualized he can have visualized we can have visualized you can have visualized they can have visualized
V-ing perfect
I can have been visualizing you can have been visualizing he can have been visualizing we can have been visualizing you can have been visualizing they can have been visualizing
Negation
Simple form
I cannot visualize you cannot visualize he cannot visualize we cannot visualize you cannot visualize they cannot visualize
V-ing form
I cannot be visualizing you cannot be visualizing he cannot be visualizing we cannot be visualizing you cannot be visualizing they cannot be visualizing
Perfect
I cannot have visualized you cannot have visualized he cannot have visualized we cannot have visualized you cannot have visualized they cannot have visualized
V-ing perfect
I cannot have been visualizing you cannot have been visualizing he cannot have been visualizing we cannot have been visualizing you cannot have been visualizing they cannot have been visualizing
Interrogative form
Simple form
can I visualize? can you visualize? can he visualize? can we visualize? can you visualize? can they visualize?
V-ing form
can I be visualizing? can you be visualizing? can he be visualizing? can we be visualizing? can you be visualizing? can they be visualizing?
Perfect
can I have visualized? can you have visualized? can he have visualized? can we have visualized? can you have visualized? can they have visualized?
V-ing perfect
can I have been visualizing? can you have been visualizing? can he have been visualizing? can we have been visualizing? can you have been visualizing? can they have been visualizing?
Interro-negative form
Simple form
can I not visualize? can you not visualize? can he not visualize? can we not visualize? can you not visualize? can they not visualize?
V-ing form
can I not be visualizing? can you not be visualizing? can he not be visualizing? can we not be visualizing? can you not be visualizing? can they not be visualizing?
Perfect
can I not have visualized? can you not have visualized? can he not have visualized? can we not have visualized? can you not have visualized? can they not have visualized?
V-ing perfect
can I not have been visualizing? can you not have been visualizing? can he not have been visualizing? can we not have been visualizing? can you not have been visualizing? can they not have been visualizing?