could firebomb
Regular verb: firebomb - firebombed- firebombed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could firebomb
you could firebomb
he could firebomb
we could firebomb
you could firebomb
they could firebomb 	I could be firebombing
you could be firebombing
he could be firebombing
we could be firebombing
you could be firebombing
they could be firebombing	I could have firebombed
you could have firebombed
he could have firebombed
we could have firebombed
you could have firebombed
they could have firebombed	I could have been firebombing
you could have been firebombing
he could have been firebombing
we could have been firebombing
you could have been firebombing
they could have been firebombing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't firebomb
you couldn't firebomb
he couldn't firebomb
we couldn't firebomb
you couldn't firebomb
they couldn't firebomb 	I couldn't be firebombing
you couldn't be firebombing
he couldn't be firebombing
we couldn't be firebombing
you couldn't be firebombing
they couldn't be firebombing	I couldn't have firebombed
you couldn't have firebombed
he couldn't have firebombed
we couldn't have firebombed
you couldn't have firebombed
they couldn't have firebombed	I couldn't have been firebombing
you couldn't have been firebombing
he couldn't have been firebombing
we couldn't have been firebombing
you couldn't have been firebombing
they couldn't have been firebombing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I firebomb?
could you firebomb?
could he firebomb?
could we firebomb?
could you firebomb?
could they firebomb? 	could I be firebombing?
could you be firebombing?
could he be firebombing?
could we be firebombing?
could you be firebombing?
could they be firebombing? 	could I have firebombed?
could you have firebombed?
could he have firebombed?
could we have firebombed?
could you have firebombed?
could they have firebombed? 	could I have been firebombing?
could you have been firebombing?
could he have been firebombing?
could we have been firebombing?
could you have been firebombing?
could they have been firebombing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I firebomb?
couldn't you firebomb?
couldn't he firebomb?
couldn't we firebomb?
couldn't you firebomb?
couldn't they firebomb? 	couldn't I be firebombing?
couldn't you be firebombing?
couldn't he be firebombing?
couldn't we be firebombing?
couldn't you be firebombing?
couldn't they be firebombing? 	couldn't I have firebombed?
couldn't you have firebombed?
couldn't he have firebombed?
couldn't we have firebombed?
couldn't you have firebombed?
couldn't they have firebombed? 	couldn't I have been firebombing?
couldn't you have been firebombing?
couldn't he have been firebombing?
couldn't we have been firebombing?
couldn't you have been firebombing?
couldn't they have been firebombing?