could unsell
Irregular verb: unsell - unsold- unsold

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could unsell
you could unsell
he could unsell
we could unsell
you could unsell
they could unsell 	I could be unselling
you could be unselling
he could be unselling
we could be unselling
you could be unselling
they could be unselling	I could have unsold
you could have unsold
he could have unsold
we could have unsold
you could have unsold
they could have unsold	I could have been unselling
you could have been unselling
he could have been unselling
we could have been unselling
you could have been unselling
they could have been unselling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not unsell
you could not unsell
he could not unsell
we could not unsell
you could not unsell
they could not unsell 	I could not be unselling
you could not be unselling
he could not be unselling
we could not be unselling
you could not be unselling
they could not be unselling	I could not have unsold
you could not have unsold
he could not have unsold
we could not have unsold
you could not have unsold
they could not have unsold	I could not have been unselling
you could not have been unselling
he could not have been unselling
we could not have been unselling
you could not have been unselling
they could not have been unselling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I unsell?
could you unsell?
could he unsell?
could we unsell?
could you unsell?
could they unsell? 	could I be unselling?
could you be unselling?
could he be unselling?
could we be unselling?
could you be unselling?
could they be unselling? 	could I have unsold?
could you have unsold?
could he have unsold?
could we have unsold?
could you have unsold?
could they have unsold? 	could I have been unselling?
could you have been unselling?
could he have been unselling?
could we have been unselling?
could you have been unselling?
could they have been unselling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not unsell?
could you not unsell?
could he not unsell?
could we not unsell?
could you not unsell?
could they not unsell? 	could I not be unselling?
could you not be unselling?
could he not be unselling?
could we not be unselling?
could you not be unselling?
could they not be unselling? 	could I not have unsold?
could you not have unsold?
could he not have unsold?
could we not have unsold?
could you not have unsold?
could they not have unsold? 	could I not have been unselling?
could you not have been unselling?
could he not have been unselling?
could we not have been unselling?
could you not have been unselling?
could they not have been unselling?