could canter
Regular verb: canter - cantered- cantered

Affirmation 	
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I could canter
you could canter
she could canter
we could canter
you could canter
they could canter 	I could be cantering
you could be cantering
she could be cantering
we could be cantering
you could be cantering
they could be cantering	I could have cantered
you could have cantered
she could have cantered
we could have cantered
you could have cantered
they could have cantered	I could have been cantering
you could have been cantering
she could have been cantering
we could have been cantering
you could have been cantering
they could have been cantering	

Negation 	
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I could not canter
you could not canter
she could not canter
we could not canter
you could not canter
they could not canter 	I could not be cantering
you could not be cantering
she could not be cantering
we could not be cantering
you could not be cantering
they could not be cantering	I could not have cantered
you could not have cantered
she could not have cantered
we could not have cantered
you could not have cantered
they could not have cantered	I could not have been cantering
you could not have been cantering
she could not have been cantering
we could not have been cantering
you could not have been cantering
they could not have been cantering	

Interrogative form 	
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could I canter?
could you canter?
could she canter?
could we canter?
could you canter?
could they canter? 	could I be cantering?
could you be cantering?
could she be cantering?
could we be cantering?
could you be cantering?
could they be cantering? 	could I have cantered?
could you have cantered?
could she have cantered?
could we have cantered?
could you have cantered?
could they have cantered? 	could I have been cantering?
could you have been cantering?
could she have been cantering?
could we have been cantering?
could you have been cantering?
could they have been cantering? 	

Interro-negative form 	
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could I not canter?
could you not canter?
could she not canter?
could we not canter?
could you not canter?
could they not canter? 	could I not be cantering?
could you not be cantering?
could she not be cantering?
could we not be cantering?
could you not be cantering?
could they not be cantering? 	could I not have cantered?
could you not have cantered?
could she not have cantered?
could we not have cantered?
could you not have cantered?
could they not have cantered? 	could I not have been cantering?
could you not have been cantering?
could she not have been cantering?
could we not have been cantering?
could you not have been cantering?
could they not have been cantering?