I could bomb you could bomb she could bomb we could bomb you could bomb they could bomb
V-ing form
I could be bombing you could be bombing she could be bombing we could be bombing you could be bombing they could be bombing
Perfect
I could have bombed you could have bombed she could have bombed we could have bombed you could have bombed they could have bombed
V-ing perfect
I could have been bombing you could have been bombing she could have been bombing we could have been bombing you could have been bombing they could have been bombing
Negation
Simple form
I could not bomb you could not bomb she could not bomb we could not bomb you could not bomb they could not bomb
V-ing form
I could not be bombing you could not be bombing she could not be bombing we could not be bombing you could not be bombing they could not be bombing
Perfect
I could not have bombed you could not have bombed she could not have bombed we could not have bombed you could not have bombed they could not have bombed
V-ing perfect
I could not have been bombing you could not have been bombing she could not have been bombing we could not have been bombing you could not have been bombing they could not have been bombing
Interrogative form
Simple form
could I bomb? could you bomb? could she bomb? could we bomb? could you bomb? could they bomb?
V-ing form
could I be bombing? could you be bombing? could she be bombing? could we be bombing? could you be bombing? could they be bombing?
Perfect
could I have bombed? could you have bombed? could she have bombed? could we have bombed? could you have bombed? could they have bombed?
V-ing perfect
could I have been bombing? could you have been bombing? could she have been bombing? could we have been bombing? could you have been bombing? could they have been bombing?
Interro-negative form
Simple form
could I not bomb? could you not bomb? could she not bomb? could we not bomb? could you not bomb? could they not bomb?
V-ing form
could I not be bombing? could you not be bombing? could she not be bombing? could we not be bombing? could you not be bombing? could they not be bombing?
Perfect
could I not have bombed? could you not have bombed? could she not have bombed? could we not have bombed? could you not have bombed? could they not have bombed?
V-ing perfect
could I not have been bombing? could you not have been bombing? could she not have been bombing? could we not have been bombing? could you not have been bombing? could they not have been bombing?