could shotgun
Regular verb: shotgun - shotguned- shotguned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could shotgun
you could shotgun
he could shotgun
we could shotgun
you could shotgun
they could shotgun 	I could be shotguning
you could be shotguning
he could be shotguning
we could be shotguning
you could be shotguning
they could be shotguning	I could have shotguned
you could have shotguned
he could have shotguned
we could have shotguned
you could have shotguned
they could have shotguned	I could have been shotguning
you could have been shotguning
he could have been shotguning
we could have been shotguning
you could have been shotguning
they could have been shotguning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't shotgun
you couldn't shotgun
he couldn't shotgun
we couldn't shotgun
you couldn't shotgun
they couldn't shotgun 	I couldn't be shotguning
you couldn't be shotguning
he couldn't be shotguning
we couldn't be shotguning
you couldn't be shotguning
they couldn't be shotguning	I couldn't have shotguned
you couldn't have shotguned
he couldn't have shotguned
we couldn't have shotguned
you couldn't have shotguned
they couldn't have shotguned	I couldn't have been shotguning
you couldn't have been shotguning
he couldn't have been shotguning
we couldn't have been shotguning
you couldn't have been shotguning
they couldn't have been shotguning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I shotgun?
could you shotgun?
could he shotgun?
could we shotgun?
could you shotgun?
could they shotgun? 	could I be shotguning?
could you be shotguning?
could he be shotguning?
could we be shotguning?
could you be shotguning?
could they be shotguning? 	could I have shotguned?
could you have shotguned?
could he have shotguned?
could we have shotguned?
could you have shotguned?
could they have shotguned? 	could I have been shotguning?
could you have been shotguning?
could he have been shotguning?
could we have been shotguning?
could you have been shotguning?
could they have been shotguning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I shotgun?
couldn't you shotgun?
couldn't he shotgun?
couldn't we shotgun?
couldn't you shotgun?
couldn't they shotgun? 	couldn't I be shotguning?
couldn't you be shotguning?
couldn't he be shotguning?
couldn't we be shotguning?
couldn't you be shotguning?
couldn't they be shotguning? 	couldn't I have shotguned?
couldn't you have shotguned?
couldn't he have shotguned?
couldn't we have shotguned?
couldn't you have shotguned?
couldn't they have shotguned? 	couldn't I have been shotguning?
couldn't you have been shotguning?
couldn't he have been shotguning?
couldn't we have been shotguning?
couldn't you have been shotguning?
couldn't they have been shotguning?