could restation
Regular verb: restation - restationed- restationed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could restation
you could restation
he could restation
we could restation
you could restation
they could restation 	I could be restationing
you could be restationing
he could be restationing
we could be restationing
you could be restationing
they could be restationing	I could have restationed
you could have restationed
he could have restationed
we could have restationed
you could have restationed
they could have restationed	I could have been restationing
you could have been restationing
he could have been restationing
we could have been restationing
you could have been restationing
they could have been restationing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't restation
you couldn't restation
he couldn't restation
we couldn't restation
you couldn't restation
they couldn't restation 	I couldn't be restationing
you couldn't be restationing
he couldn't be restationing
we couldn't be restationing
you couldn't be restationing
they couldn't be restationing	I couldn't have restationed
you couldn't have restationed
he couldn't have restationed
we couldn't have restationed
you couldn't have restationed
they couldn't have restationed	I couldn't have been restationing
you couldn't have been restationing
he couldn't have been restationing
we couldn't have been restationing
you couldn't have been restationing
they couldn't have been restationing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I restation?
could you restation?
could he restation?
could we restation?
could you restation?
could they restation? 	could I be restationing?
could you be restationing?
could he be restationing?
could we be restationing?
could you be restationing?
could they be restationing? 	could I have restationed?
could you have restationed?
could he have restationed?
could we have restationed?
could you have restationed?
could they have restationed? 	could I have been restationing?
could you have been restationing?
could he have been restationing?
could we have been restationing?
could you have been restationing?
could they have been restationing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I restation?
couldn't you restation?
couldn't he restation?
couldn't we restation?
couldn't you restation?
couldn't they restation? 	couldn't I be restationing?
couldn't you be restationing?
couldn't he be restationing?
couldn't we be restationing?
couldn't you be restationing?
couldn't they be restationing? 	couldn't I have restationed?
couldn't you have restationed?
couldn't he have restationed?
couldn't we have restationed?
couldn't you have restationed?
couldn't they have restationed? 	couldn't I have been restationing?
couldn't you have been restationing?
couldn't he have been restationing?
couldn't we have been restationing?
couldn't you have been restationing?
couldn't they have been restationing?