could scamper
Regular verb: scamper - scampered- scampered

Affirmation 	
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I could scamper
you could scamper
he could scamper
we could scamper
you could scamper
they could scamper 	I could be scampering
you could be scampering
he could be scampering
we could be scampering
you could be scampering
they could be scampering	I could have scampered
you could have scampered
he could have scampered
we could have scampered
you could have scampered
they could have scampered	I could have been scampering
you could have been scampering
he could have been scampering
we could have been scampering
you could have been scampering
they could have been scampering	

Negation 	
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I could not scamper
you could not scamper
he could not scamper
we could not scamper
you could not scamper
they could not scamper 	I could not be scampering
you could not be scampering
he could not be scampering
we could not be scampering
you could not be scampering
they could not be scampering	I could not have scampered
you could not have scampered
he could not have scampered
we could not have scampered
you could not have scampered
they could not have scampered	I could not have been scampering
you could not have been scampering
he could not have been scampering
we could not have been scampering
you could not have been scampering
they could not have been scampering	

Interrogative form 	
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could I scamper?
could you scamper?
could he scamper?
could we scamper?
could you scamper?
could they scamper? 	could I be scampering?
could you be scampering?
could he be scampering?
could we be scampering?
could you be scampering?
could they be scampering? 	could I have scampered?
could you have scampered?
could he have scampered?
could we have scampered?
could you have scampered?
could they have scampered? 	could I have been scampering?
could you have been scampering?
could he have been scampering?
could we have been scampering?
could you have been scampering?
could they have been scampering? 	

Interro-negative form 	
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could I not scamper?
could you not scamper?
could he not scamper?
could we not scamper?
could you not scamper?
could they not scamper? 	could I not be scampering?
could you not be scampering?
could he not be scampering?
could we not be scampering?
could you not be scampering?
could they not be scampering? 	could I not have scampered?
could you not have scampered?
could he not have scampered?
could we not have scampered?
could you not have scampered?
could they not have scampered? 	could I not have been scampering?
could you not have been scampering?
could he not have been scampering?
could we not have been scampering?
could you not have been scampering?
could they not have been scampering?