I could swoon you could swoon he could swoon we could swoon you could swoon they could swoon
V-ing form
I could be swooning you could be swooning he could be swooning we could be swooning you could be swooning they could be swooning
Perfect
I could have swooned you could have swooned he could have swooned we could have swooned you could have swooned they could have swooned
V-ing perfect
I could have been swooning you could have been swooning he could have been swooning we could have been swooning you could have been swooning they could have been swooning
Negation
Simple form
I could not swoon you could not swoon he could not swoon we could not swoon you could not swoon they could not swoon
V-ing form
I could not be swooning you could not be swooning he could not be swooning we could not be swooning you could not be swooning they could not be swooning
Perfect
I could not have swooned you could not have swooned he could not have swooned we could not have swooned you could not have swooned they could not have swooned
V-ing perfect
I could not have been swooning you could not have been swooning he could not have been swooning we could not have been swooning you could not have been swooning they could not have been swooning
Interrogative form
Simple form
could I swoon? could you swoon? could he swoon? could we swoon? could you swoon? could they swoon?
V-ing form
could I be swooning? could you be swooning? could he be swooning? could we be swooning? could you be swooning? could they be swooning?
Perfect
could I have swooned? could you have swooned? could he have swooned? could we have swooned? could you have swooned? could they have swooned?
V-ing perfect
could I have been swooning? could you have been swooning? could he have been swooning? could we have been swooning? could you have been swooning? could they have been swooning?
Interro-negative form
Simple form
could I not swoon? could you not swoon? could he not swoon? could we not swoon? could you not swoon? could they not swoon?
V-ing form
could I not be swooning? could you not be swooning? could he not be swooning? could we not be swooning? could you not be swooning? could they not be swooning?
Perfect
could I not have swooned? could you not have swooned? could he not have swooned? could we not have swooned? could you not have swooned? could they not have swooned?
V-ing perfect
could I not have been swooning? could you not have been swooning? could he not have been swooning? could we not have been swooning? could you not have been swooning? could they not have been swooning?