could disuse
Regular verb: disuse - disused- disused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could disuse
you could disuse
he could disuse
we could disuse
you could disuse
they could disuse 	I could be disusing
you could be disusing
he could be disusing
we could be disusing
you could be disusing
they could be disusing	I could have disused
you could have disused
he could have disused
we could have disused
you could have disused
they could have disused	I could have been disusing
you could have been disusing
he could have been disusing
we could have been disusing
you could have been disusing
they could have been disusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not disuse
you could not disuse
he could not disuse
we could not disuse
you could not disuse
they could not disuse 	I could not be disusing
you could not be disusing
he could not be disusing
we could not be disusing
you could not be disusing
they could not be disusing	I could not have disused
you could not have disused
he could not have disused
we could not have disused
you could not have disused
they could not have disused	I could not have been disusing
you could not have been disusing
he could not have been disusing
we could not have been disusing
you could not have been disusing
they could not have been disusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I disuse?
could you disuse?
could he disuse?
could we disuse?
could you disuse?
could they disuse? 	could I be disusing?
could you be disusing?
could he be disusing?
could we be disusing?
could you be disusing?
could they be disusing? 	could I have disused?
could you have disused?
could he have disused?
could we have disused?
could you have disused?
could they have disused? 	could I have been disusing?
could you have been disusing?
could he have been disusing?
could we have been disusing?
could you have been disusing?
could they have been disusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not disuse?
could you not disuse?
could he not disuse?
could we not disuse?
could you not disuse?
could they not disuse? 	could I not be disusing?
could you not be disusing?
could he not be disusing?
could we not be disusing?
could you not be disusing?
could they not be disusing? 	could I not have disused?
could you not have disused?
could he not have disused?
could we not have disused?
could you not have disused?
could they not have disused? 	could I not have been disusing?
could you not have been disusing?
could he not have been disusing?
could we not have been disusing?
could you not have been disusing?
could they not have been disusing?