I could raid you could raid he could raid we could raid you could raid they could raid
V-ing form
I could be raiding you could be raiding he could be raiding we could be raiding you could be raiding they could be raiding
Perfect
I could have raided you could have raided he could have raided we could have raided you could have raided they could have raided
V-ing perfect
I could have been raiding you could have been raiding he could have been raiding we could have been raiding you could have been raiding they could have been raiding
Negation
Simple form
I could not raid you could not raid he could not raid we could not raid you could not raid they could not raid
V-ing form
I could not be raiding you could not be raiding he could not be raiding we could not be raiding you could not be raiding they could not be raiding
Perfect
I could not have raided you could not have raided he could not have raided we could not have raided you could not have raided they could not have raided
V-ing perfect
I could not have been raiding you could not have been raiding he could not have been raiding we could not have been raiding you could not have been raiding they could not have been raiding
Interrogative form
Simple form
could I raid? could you raid? could he raid? could we raid? could you raid? could they raid?
V-ing form
could I be raiding? could you be raiding? could he be raiding? could we be raiding? could you be raiding? could they be raiding?
Perfect
could I have raided? could you have raided? could he have raided? could we have raided? could you have raided? could they have raided?
V-ing perfect
could I have been raiding? could you have been raiding? could he have been raiding? could we have been raiding? could you have been raiding? could they have been raiding?
Interro-negative form
Simple form
could I not raid? could you not raid? could he not raid? could we not raid? could you not raid? could they not raid?
V-ing form
could I not be raiding? could you not be raiding? could he not be raiding? could we not be raiding? could you not be raiding? could they not be raiding?
Perfect
could I not have raided? could you not have raided? could he not have raided? could we not have raided? could you not have raided? could they not have raided?
V-ing perfect
could I not have been raiding? could you not have been raiding? could he not have been raiding? could we not have been raiding? could you not have been raiding? could they not have been raiding?