could toe-dance
Regular verb: toe-dance - toe-danced- toe-danced

Affirmation 	
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I could toe-dance
you could toe-dance
he could toe-dance
we could toe-dance
you could toe-dance
they could toe-dance 	I could be toe-dancing
you could be toe-dancing
he could be toe-dancing
we could be toe-dancing
you could be toe-dancing
they could be toe-dancing	I could have toe-danced
you could have toe-danced
he could have toe-danced
we could have toe-danced
you could have toe-danced
they could have toe-danced	I could have been toe-dancing
you could have been toe-dancing
he could have been toe-dancing
we could have been toe-dancing
you could have been toe-dancing
they could have been toe-dancing	

Negation 	
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I couldn't toe-dance
you couldn't toe-dance
he couldn't toe-dance
we couldn't toe-dance
you couldn't toe-dance
they couldn't toe-dance 	I couldn't be toe-dancing
you couldn't be toe-dancing
he couldn't be toe-dancing
we couldn't be toe-dancing
you couldn't be toe-dancing
they couldn't be toe-dancing	I couldn't have toe-danced
you couldn't have toe-danced
he couldn't have toe-danced
we couldn't have toe-danced
you couldn't have toe-danced
they couldn't have toe-danced	I couldn't have been toe-dancing
you couldn't have been toe-dancing
he couldn't have been toe-dancing
we couldn't have been toe-dancing
you couldn't have been toe-dancing
they couldn't have been toe-dancing	

Interrogative form 	
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could I toe-dance?
could you toe-dance?
could he toe-dance?
could we toe-dance?
could you toe-dance?
could they toe-dance? 	could I be toe-dancing?
could you be toe-dancing?
could he be toe-dancing?
could we be toe-dancing?
could you be toe-dancing?
could they be toe-dancing? 	could I have toe-danced?
could you have toe-danced?
could he have toe-danced?
could we have toe-danced?
could you have toe-danced?
could they have toe-danced? 	could I have been toe-dancing?
could you have been toe-dancing?
could he have been toe-dancing?
could we have been toe-dancing?
could you have been toe-dancing?
could they have been toe-dancing? 	

Interro-negative form 	
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couldn't I toe-dance?
couldn't you toe-dance?
couldn't he toe-dance?
couldn't we toe-dance?
couldn't you toe-dance?
couldn't they toe-dance? 	couldn't I be toe-dancing?
couldn't you be toe-dancing?
couldn't he be toe-dancing?
couldn't we be toe-dancing?
couldn't you be toe-dancing?
couldn't they be toe-dancing? 	couldn't I have toe-danced?
couldn't you have toe-danced?
couldn't he have toe-danced?
couldn't we have toe-danced?
couldn't you have toe-danced?
couldn't they have toe-danced? 	couldn't I have been toe-dancing?
couldn't you have been toe-dancing?
couldn't he have been toe-dancing?
couldn't we have been toe-dancing?
couldn't you have been toe-dancing?
couldn't they have been toe-dancing?