could companion
Regular verb: companion - companioned- companioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could companion
you could companion
he could companion
we could companion
you could companion
they could companion 	I could be companioning
you could be companioning
he could be companioning
we could be companioning
you could be companioning
they could be companioning	I could have companioned
you could have companioned
he could have companioned
we could have companioned
you could have companioned
they could have companioned	I could have been companioning
you could have been companioning
he could have been companioning
we could have been companioning
you could have been companioning
they could have been companioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't companion
you couldn't companion
he couldn't companion
we couldn't companion
you couldn't companion
they couldn't companion 	I couldn't be companioning
you couldn't be companioning
he couldn't be companioning
we couldn't be companioning
you couldn't be companioning
they couldn't be companioning	I couldn't have companioned
you couldn't have companioned
he couldn't have companioned
we couldn't have companioned
you couldn't have companioned
they couldn't have companioned	I couldn't have been companioning
you couldn't have been companioning
he couldn't have been companioning
we couldn't have been companioning
you couldn't have been companioning
they couldn't have been companioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I companion?
could you companion?
could he companion?
could we companion?
could you companion?
could they companion? 	could I be companioning?
could you be companioning?
could he be companioning?
could we be companioning?
could you be companioning?
could they be companioning? 	could I have companioned?
could you have companioned?
could he have companioned?
could we have companioned?
could you have companioned?
could they have companioned? 	could I have been companioning?
could you have been companioning?
could he have been companioning?
could we have been companioning?
could you have been companioning?
could they have been companioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I companion?
couldn't you companion?
couldn't he companion?
couldn't we companion?
couldn't you companion?
couldn't they companion? 	couldn't I be companioning?
couldn't you be companioning?
couldn't he be companioning?
couldn't we be companioning?
couldn't you be companioning?
couldn't they be companioning? 	couldn't I have companioned?
couldn't you have companioned?
couldn't he have companioned?
couldn't we have companioned?
couldn't you have companioned?
couldn't they have companioned? 	couldn't I have been companioning?
couldn't you have been companioning?
couldn't he have been companioning?
couldn't we have been companioning?
couldn't you have been companioning?
couldn't they have been companioning?