could scarper
Regular verb: scarper - scarpered- scarpered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scarper
you could scarper
he could scarper
we could scarper
you could scarper
they could scarper 	I could be scarpering
you could be scarpering
he could be scarpering
we could be scarpering
you could be scarpering
they could be scarpering	I could have scarpered
you could have scarpered
he could have scarpered
we could have scarpered
you could have scarpered
they could have scarpered	I could have been scarpering
you could have been scarpering
he could have been scarpering
we could have been scarpering
you could have been scarpering
they could have been scarpering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not scarper
you could not scarper
he could not scarper
we could not scarper
you could not scarper
they could not scarper 	I could not be scarpering
you could not be scarpering
he could not be scarpering
we could not be scarpering
you could not be scarpering
they could not be scarpering	I could not have scarpered
you could not have scarpered
he could not have scarpered
we could not have scarpered
you could not have scarpered
they could not have scarpered	I could not have been scarpering
you could not have been scarpering
he could not have been scarpering
we could not have been scarpering
you could not have been scarpering
they could not have been scarpering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scarper?
could you scarper?
could he scarper?
could we scarper?
could you scarper?
could they scarper? 	could I be scarpering?
could you be scarpering?
could he be scarpering?
could we be scarpering?
could you be scarpering?
could they be scarpering? 	could I have scarpered?
could you have scarpered?
could he have scarpered?
could we have scarpered?
could you have scarpered?
could they have scarpered? 	could I have been scarpering?
could you have been scarpering?
could he have been scarpering?
could we have been scarpering?
could you have been scarpering?
could they have been scarpering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not scarper?
could you not scarper?
could he not scarper?
could we not scarper?
could you not scarper?
could they not scarper? 	could I not be scarpering?
could you not be scarpering?
could he not be scarpering?
could we not be scarpering?
could you not be scarpering?
could they not be scarpering? 	could I not have scarpered?
could you not have scarpered?
could he not have scarpered?
could we not have scarpered?
could you not have scarpered?
could they not have scarpered? 	could I not have been scarpering?
could you not have been scarpering?
could he not have been scarpering?
could we not have been scarpering?
could you not have been scarpering?
could they not have been scarpering?