I could assassinate you could assassinate she could assassinate we could assassinate you could assassinate they could assassinate
V-ing form
I could be assassinating you could be assassinating she could be assassinating we could be assassinating you could be assassinating they could be assassinating
Perfect
I could have assassinated you could have assassinated she could have assassinated we could have assassinated you could have assassinated they could have assassinated
V-ing perfect
I could have been assassinating you could have been assassinating she could have been assassinating we could have been assassinating you could have been assassinating they could have been assassinating
Negation
Simple form
I could not assassinate you could not assassinate she could not assassinate we could not assassinate you could not assassinate they could not assassinate
V-ing form
I could not be assassinating you could not be assassinating she could not be assassinating we could not be assassinating you could not be assassinating they could not be assassinating
Perfect
I could not have assassinated you could not have assassinated she could not have assassinated we could not have assassinated you could not have assassinated they could not have assassinated
V-ing perfect
I could not have been assassinating you could not have been assassinating she could not have been assassinating we could not have been assassinating you could not have been assassinating they could not have been assassinating
Interrogative form
Simple form
could I assassinate? could you assassinate? could she assassinate? could we assassinate? could you assassinate? could they assassinate?
V-ing form
could I be assassinating? could you be assassinating? could she be assassinating? could we be assassinating? could you be assassinating? could they be assassinating?
Perfect
could I have assassinated? could you have assassinated? could she have assassinated? could we have assassinated? could you have assassinated? could they have assassinated?
V-ing perfect
could I have been assassinating? could you have been assassinating? could she have been assassinating? could we have been assassinating? could you have been assassinating? could they have been assassinating?
Interro-negative form
Simple form
could I not assassinate? could you not assassinate? could she not assassinate? could we not assassinate? could you not assassinate? could they not assassinate?
V-ing form
could I not be assassinating? could you not be assassinating? could she not be assassinating? could we not be assassinating? could you not be assassinating? could they not be assassinating?
Perfect
could I not have assassinated? could you not have assassinated? could she not have assassinated? could we not have assassinated? could you not have assassinated? could they not have assassinated?
V-ing perfect
could I not have been assassinating? could you not have been assassinating? could she not have been assassinating? could we not have been assassinating? could you not have been assassinating? could they not have been assassinating?