could caper
Regular verb: caper - capered- capered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could caper
you could caper
he could caper
we could caper
you could caper
they could caper 	I could be capering
you could be capering
he could be capering
we could be capering
you could be capering
they could be capering	I could have capered
you could have capered
he could have capered
we could have capered
you could have capered
they could have capered	I could have been capering
you could have been capering
he could have been capering
we could have been capering
you could have been capering
they could have been capering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not caper
you could not caper
he could not caper
we could not caper
you could not caper
they could not caper 	I could not be capering
you could not be capering
he could not be capering
we could not be capering
you could not be capering
they could not be capering	I could not have capered
you could not have capered
he could not have capered
we could not have capered
you could not have capered
they could not have capered	I could not have been capering
you could not have been capering
he could not have been capering
we could not have been capering
you could not have been capering
they could not have been capering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I caper?
could you caper?
could he caper?
could we caper?
could you caper?
could they caper? 	could I be capering?
could you be capering?
could he be capering?
could we be capering?
could you be capering?
could they be capering? 	could I have capered?
could you have capered?
could he have capered?
could we have capered?
could you have capered?
could they have capered? 	could I have been capering?
could you have been capering?
could he have been capering?
could we have been capering?
could you have been capering?
could they have been capering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not caper?
could you not caper?
could he not caper?
could we not caper?
could you not caper?
could they not caper? 	could I not be capering?
could you not be capering?
could he not be capering?
could we not be capering?
could you not be capering?
could they not be capering? 	could I not have capered?
could you not have capered?
could he not have capered?
could we not have capered?
could you not have capered?
could they not have capered? 	could I not have been capering?
could you not have been capering?
could he not have been capering?
could we not have been capering?
could you not have been capering?
could they not have been capering?