could square-dance
Verbo regular: square-dance - square-danced- square-danced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could square-dance
you could square-dance
he could square-dance
we could square-dance
you could square-dance
they could square-dance 	I could be square-dancing
you could be square-dancing
he could be square-dancing
we could be square-dancing
you could be square-dancing
they could be square-dancing	I could have square-danced
you could have square-danced
he could have square-danced
we could have square-danced
you could have square-danced
they could have square-danced	I could have been square-dancing
you could have been square-dancing
he could have been square-dancing
we could have been square-dancing
you could have been square-dancing
they could have been square-dancing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't square-dance
you couldn't square-dance
he couldn't square-dance
we couldn't square-dance
you couldn't square-dance
they couldn't square-dance 	I couldn't be square-dancing
you couldn't be square-dancing
he couldn't be square-dancing
we couldn't be square-dancing
you couldn't be square-dancing
they couldn't be square-dancing	I couldn't have square-danced
you couldn't have square-danced
he couldn't have square-danced
we couldn't have square-danced
you couldn't have square-danced
they couldn't have square-danced	I couldn't have been square-dancing
you couldn't have been square-dancing
he couldn't have been square-dancing
we couldn't have been square-dancing
you couldn't have been square-dancing
they couldn't have been square-dancing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I square-dance?
could you square-dance?
could he square-dance?
could we square-dance?
could you square-dance?
could they square-dance? 	could I be square-dancing?
could you be square-dancing?
could he be square-dancing?
could we be square-dancing?
could you be square-dancing?
could they be square-dancing? 	could I have square-danced?
could you have square-danced?
could he have square-danced?
could we have square-danced?
could you have square-danced?
could they have square-danced? 	could I have been square-dancing?
could you have been square-dancing?
could he have been square-dancing?
could we have been square-dancing?
could you have been square-dancing?
could they have been square-dancing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I square-dance?
couldn't you square-dance?
couldn't he square-dance?
couldn't we square-dance?
couldn't you square-dance?
couldn't they square-dance? 	couldn't I be square-dancing?
couldn't you be square-dancing?
couldn't he be square-dancing?
couldn't we be square-dancing?
couldn't you be square-dancing?
couldn't they be square-dancing? 	couldn't I have square-danced?
couldn't you have square-danced?
couldn't he have square-danced?
couldn't we have square-danced?
couldn't you have square-danced?
couldn't they have square-danced? 	couldn't I have been square-dancing?
couldn't you have been square-dancing?
couldn't he have been square-dancing?
couldn't we have been square-dancing?
couldn't you have been square-dancing?
couldn't they have been square-dancing?