could dance
Regular verb: dance - danced- danced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dance
you could dance
she could dance
we could dance
you could dance
they could dance 	I could be dancing
you could be dancing
she could be dancing
we could be dancing
you could be dancing
they could be dancing	I could have danced
you could have danced
she 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
she 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
she 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
she 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
she 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
she 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 she dance?
could we dance?
could you dance?
could they dance? 	could I be dancing?
could you be dancing?
could she be dancing?
could we be dancing?
could you be dancing?
could they be dancing? 	could I have danced?
could you have danced?
could she 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 she 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 she 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 she 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 she 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 she have been dancing?
couldn't we have been dancing?
couldn't you have been dancing?
couldn't they have been dancing?