I could firebomb you could firebomb she could firebomb we could firebomb you could firebomb they could firebomb
V-ing form
I could be firebombing you could be firebombing she could be firebombing we could be firebombing you could be firebombing they could be firebombing
Perfect
I could have firebombed you could have firebombed she could have firebombed we could have firebombed you could have firebombed they could have firebombed
V-ing perfect
I could have been firebombing you could have been firebombing she could have been firebombing we could have been firebombing you could have been firebombing they could have been firebombing
Negation
Simple form
I could not firebomb you could not firebomb she could not firebomb we could not firebomb you could not firebomb they could not firebomb
V-ing form
I could not be firebombing you could not be firebombing she could not be firebombing we could not be firebombing you could not be firebombing they could not be firebombing
Perfect
I could not have firebombed you could not have firebombed she could not have firebombed we could not have firebombed you could not have firebombed they could not have firebombed
V-ing perfect
I could not have been firebombing you could not have been firebombing she could not have been firebombing we could not have been firebombing you could not have been firebombing they could not have been firebombing
Interrogative form
Simple form
could I firebomb? could you firebomb? could she firebomb? could we firebomb? could you firebomb? could they firebomb?
V-ing form
could I be firebombing? could you be firebombing? could she be firebombing? could we be firebombing? could you be firebombing? could they be firebombing?
Perfect
could I have firebombed? could you have firebombed? could she have firebombed? could we have firebombed? could you have firebombed? could they have firebombed?
V-ing perfect
could I have been firebombing? could you have been firebombing? could she have been firebombing? could we have been firebombing? could you have been firebombing? could they have been firebombing?
Interro-negative form
Simple form
could I not firebomb? could you not firebomb? could she not firebomb? could we not firebomb? could you not firebomb? could they not firebomb?
V-ing form
could I not be firebombing? could you not be firebombing? could she not be firebombing? could we not be firebombing? could you not be firebombing? could they not be firebombing?
Perfect
could I not have firebombed? could you not have firebombed? could she not have firebombed? could we not have firebombed? could you not have firebombed? could they not have firebombed?
V-ing perfect
could I not have been firebombing? could you not have been firebombing? could she not have been firebombing? could we not have been firebombing? could you not have been firebombing? could they not have been firebombing?