could co-opt
Regular verb: co-opt - co-opted- co-opted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could co-opt
you could co-opt
he could co-opt
we could co-opt
you could co-opt
they could co-opt 	I could be co-opting
you could be co-opting
he could be co-opting
we could be co-opting
you could be co-opting
they could be co-opting	I could have co-opted
you could have co-opted
he could have co-opted
we could have co-opted
you could have co-opted
they could have co-opted	I could have been co-opting
you could have been co-opting
he could have been co-opting
we could have been co-opting
you could have been co-opting
they could have been co-opting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't co-opt
you couldn't co-opt
he couldn't co-opt
we couldn't co-opt
you couldn't co-opt
they couldn't co-opt 	I couldn't be co-opting
you couldn't be co-opting
he couldn't be co-opting
we couldn't be co-opting
you couldn't be co-opting
they couldn't be co-opting	I couldn't have co-opted
you couldn't have co-opted
he couldn't have co-opted
we couldn't have co-opted
you couldn't have co-opted
they couldn't have co-opted	I couldn't have been co-opting
you couldn't have been co-opting
he couldn't have been co-opting
we couldn't have been co-opting
you couldn't have been co-opting
they couldn't have been co-opting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I co-opt?
could you co-opt?
could he co-opt?
could we co-opt?
could you co-opt?
could they co-opt? 	could I be co-opting?
could you be co-opting?
could he be co-opting?
could we be co-opting?
could you be co-opting?
could they be co-opting? 	could I have co-opted?
could you have co-opted?
could he have co-opted?
could we have co-opted?
could you have co-opted?
could they have co-opted? 	could I have been co-opting?
could you have been co-opting?
could he have been co-opting?
could we have been co-opting?
could you have been co-opting?
could they have been co-opting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I co-opt?
couldn't you co-opt?
couldn't he co-opt?
couldn't we co-opt?
couldn't you co-opt?
couldn't they co-opt? 	couldn't I be co-opting?
couldn't you be co-opting?
couldn't he be co-opting?
couldn't we be co-opting?
couldn't you be co-opting?
couldn't they be co-opting? 	couldn't I have co-opted?
couldn't you have co-opted?
couldn't he have co-opted?
couldn't we have co-opted?
couldn't you have co-opted?
couldn't they have co-opted? 	couldn't I have been co-opting?
couldn't you have been co-opting?
couldn't he have been co-opting?
couldn't we have been co-opting?
couldn't you have been co-opting?
couldn't they have been co-opting?