I could prerelease you could prerelease he could prerelease we could prerelease you could prerelease they could prerelease
V-ing form
I could be prereleasing you could be prereleasing he could be prereleasing we could be prereleasing you could be prereleasing they could be prereleasing
Perfect
I could have prereleased you could have prereleased he could have prereleased we could have prereleased you could have prereleased they could have prereleased
V-ing perfect
I could have been prereleasing you could have been prereleasing he could have been prereleasing we could have been prereleasing you could have been prereleasing they could have been prereleasing
Negation
Simple form
I could not prerelease you could not prerelease he could not prerelease we could not prerelease you could not prerelease they could not prerelease
V-ing form
I could not be prereleasing you could not be prereleasing he could not be prereleasing we could not be prereleasing you could not be prereleasing they could not be prereleasing
Perfect
I could not have prereleased you could not have prereleased he could not have prereleased we could not have prereleased you could not have prereleased they could not have prereleased
V-ing perfect
I could not have been prereleasing you could not have been prereleasing he could not have been prereleasing we could not have been prereleasing you could not have been prereleasing they could not have been prereleasing
Interrogative form
Simple form
could I prerelease? could you prerelease? could he prerelease? could we prerelease? could you prerelease? could they prerelease?
V-ing form
could I be prereleasing? could you be prereleasing? could he be prereleasing? could we be prereleasing? could you be prereleasing? could they be prereleasing?
Perfect
could I have prereleased? could you have prereleased? could he have prereleased? could we have prereleased? could you have prereleased? could they have prereleased?
V-ing perfect
could I have been prereleasing? could you have been prereleasing? could he have been prereleasing? could we have been prereleasing? could you have been prereleasing? could they have been prereleasing?
Interro-negative form
Simple form
could I not prerelease? could you not prerelease? could he not prerelease? could we not prerelease? could you not prerelease? could they not prerelease?
V-ing form
could I not be prereleasing? could you not be prereleasing? could he not be prereleasing? could we not be prereleasing? could you not be prereleasing? could they not be prereleasing?
Perfect
could I not have prereleased? could you not have prereleased? could he not have prereleased? could we not have prereleased? could you not have prereleased? could they not have prereleased?
V-ing perfect
could I not have been prereleasing? could you not have been prereleasing? could he not have been prereleasing? could we not have been prereleasing? could you not have been prereleasing? could they not have been prereleasing?