I could annihilate you could annihilate he could annihilate we could annihilate you could annihilate they could annihilate
V-ing form
I could be annihilating you could be annihilating he could be annihilating we could be annihilating you could be annihilating they could be annihilating
Perfect
I could have annihilated you could have annihilated he could have annihilated we could have annihilated you could have annihilated they could have annihilated
V-ing perfect
I could have been annihilating you could have been annihilating he could have been annihilating we could have been annihilating you could have been annihilating they could have been annihilating
Negation
Simple form
I could not annihilate you could not annihilate he could not annihilate we could not annihilate you could not annihilate they could not annihilate
V-ing form
I could not be annihilating you could not be annihilating he could not be annihilating we could not be annihilating you could not be annihilating they could not be annihilating
Perfect
I could not have annihilated you could not have annihilated he could not have annihilated we could not have annihilated you could not have annihilated they could not have annihilated
V-ing perfect
I could not have been annihilating you could not have been annihilating he could not have been annihilating we could not have been annihilating you could not have been annihilating they could not have been annihilating
Interrogative form
Simple form
could I annihilate? could you annihilate? could he annihilate? could we annihilate? could you annihilate? could they annihilate?
V-ing form
could I be annihilating? could you be annihilating? could he be annihilating? could we be annihilating? could you be annihilating? could they be annihilating?
Perfect
could I have annihilated? could you have annihilated? could he have annihilated? could we have annihilated? could you have annihilated? could they have annihilated?
V-ing perfect
could I have been annihilating? could you have been annihilating? could he have been annihilating? could we have been annihilating? could you have been annihilating? could they have been annihilating?
Interro-negative form
Simple form
could I not annihilate? could you not annihilate? could he not annihilate? could we not annihilate? could you not annihilate? could they not annihilate?
V-ing form
could I not be annihilating? could you not be annihilating? could he not be annihilating? could we not be annihilating? could you not be annihilating? could they not be annihilating?
Perfect
could I not have annihilated? could you not have annihilated? could he not have annihilated? could we not have annihilated? could you not have annihilated? could they not have annihilated?
V-ing perfect
could I not have been annihilating? could you not have been annihilating? could he not have been annihilating? could we not have been annihilating? could you not have been annihilating? could they not have been annihilating?