could dance
Regular verb: dance - danced- danced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dance
you could dance
he could dance
we could dance
you could dance
they could dance 	I could be dancing
you could be dancing
he could be dancing
we could be dancing
you could be dancing
they could be dancing	I could have danced
you could have danced
he could have danced
we could have danced
you could have danced
they could have danced	I could have been dancing
you could have been dancing
he could have been dancing
we could have been dancing
you could have been dancing
they could have been dancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dance
you couldn't dance
he couldn't dance
we couldn't dance
you couldn't dance
they couldn't dance 	I couldn't be dancing
you couldn't be dancing
he couldn't be dancing
we couldn't be dancing
you couldn't be dancing
they couldn't be dancing	I couldn't have danced
you couldn't have danced
he couldn't have danced
we couldn't have danced
you couldn't have danced
they couldn't have danced	I couldn't have been dancing
you couldn't have been dancing
he couldn't have been dancing
we couldn't have been dancing
you couldn't have been dancing
they couldn't have been dancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dance?
could you dance?
could he dance?
could we dance?
could you dance?
could they dance? 	could I be dancing?
could you be dancing?
could he be dancing?
could we be dancing?
could you be dancing?
could they be dancing? 	could I have danced?
could you have danced?
could he have danced?
could we have danced?
could you have danced?
could they have danced? 	could I have been dancing?
could you have been dancing?
could he have been dancing?
could we have been dancing?
could you have been dancing?
could they have been dancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dance?
couldn't you dance?
couldn't he dance?
couldn't we dance?
couldn't you dance?
couldn't they dance? 	couldn't I be dancing?
couldn't you be dancing?
couldn't he be dancing?
couldn't we be dancing?
couldn't you be dancing?
couldn't they be dancing? 	couldn't I have danced?
couldn't you have danced?
couldn't he have danced?
couldn't we have danced?
couldn't you have danced?
couldn't they have danced? 	couldn't I have been dancing?
couldn't you have been dancing?
couldn't he have been dancing?
couldn't we have been dancing?
couldn't you have been dancing?
couldn't they have been dancing?