could disco
Regular verb: disco - discoed- discoed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could disco
you could disco
he could disco
we could disco
you could disco
they could disco 	I could be discoing
you could be discoing
he could be discoing
we could be discoing
you could be discoing
they could be discoing	I could have discoed
you could have discoed
he could have discoed
we could have discoed
you could have discoed
they could have discoed	I could have been discoing
you could have been discoing
he could have been discoing
we could have been discoing
you could have been discoing
they could have been discoing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not disco
you could not disco
he could not disco
we could not disco
you could not disco
they could not disco 	I could not be discoing
you could not be discoing
he could not be discoing
we could not be discoing
you could not be discoing
they could not be discoing	I could not have discoed
you could not have discoed
he could not have discoed
we could not have discoed
you could not have discoed
they could not have discoed	I could not have been discoing
you could not have been discoing
he could not have been discoing
we could not have been discoing
you could not have been discoing
they could not have been discoing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I disco?
could you disco?
could he disco?
could we disco?
could you disco?
could they disco? 	could I be discoing?
could you be discoing?
could he be discoing?
could we be discoing?
could you be discoing?
could they be discoing? 	could I have discoed?
could you have discoed?
could he have discoed?
could we have discoed?
could you have discoed?
could they have discoed? 	could I have been discoing?
could you have been discoing?
could he have been discoing?
could we have been discoing?
could you have been discoing?
could they have been discoing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not disco?
could you not disco?
could he not disco?
could we not disco?
could you not disco?
could they not disco? 	could I not be discoing?
could you not be discoing?
could he not be discoing?
could we not be discoing?
could you not be discoing?
could they not be discoing? 	could I not have discoed?
could you not have discoed?
could he not have discoed?
could we not have discoed?
could you not have discoed?
could they not have discoed? 	could I not have been discoing?
could you not have been discoing?
could he not have been discoing?
could we not have been discoing?
could you not have been discoing?
could they not have been discoing?