would unbutton
Regular verb: unbutton - unbuttoned- unbuttoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would unbutton
you would unbutton
he would unbutton
we would unbutton
you would unbutton
they would unbutton 	I would be unbuttoning
you would be unbuttoning
he would be unbuttoning
we would be unbuttoning
you would be unbuttoning
they would be unbuttoning	I would have unbuttoned
you would have unbuttoned
he would have unbuttoned
we would have unbuttoned
you would have unbuttoned
they would have unbuttoned	I would have been unbuttoning
you would have been unbuttoning
he would have been unbuttoning
we would have been unbuttoning
you would have been unbuttoning
they would have been unbuttoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not unbutton
you would not unbutton
he would not unbutton
we would not unbutton
you would not unbutton
they would not unbutton 	I would not be unbuttoning
you would not be unbuttoning
he would not be unbuttoning
we would not be unbuttoning
you would not be unbuttoning
they would not be unbuttoning	I would not have unbuttoned
you would not have unbuttoned
he would not have unbuttoned
we would not have unbuttoned
you would not have unbuttoned
they would not have unbuttoned	I would not have been unbuttoning
you would not have been unbuttoning
he would not have been unbuttoning
we would not have been unbuttoning
you would not have been unbuttoning
they would not have been unbuttoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I unbutton?
would you unbutton?
would he unbutton?
would we unbutton?
would you unbutton?
would they unbutton? 	would I be unbuttoning?
would you be unbuttoning?
would he be unbuttoning?
would we be unbuttoning?
would you be unbuttoning?
would they be unbuttoning? 	would I have unbuttoned?
would you have unbuttoned?
would he have unbuttoned?
would we have unbuttoned?
would you have unbuttoned?
would they have unbuttoned? 	would I have been unbuttoning?
would you have been unbuttoning?
would he have been unbuttoning?
would we have been unbuttoning?
would you have been unbuttoning?
would they have been unbuttoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not unbutton?
would you not unbutton?
would he not unbutton?
would we not unbutton?
would you not unbutton?
would they not unbutton? 	would I not be unbuttoning?
would you not be unbuttoning?
would he not be unbuttoning?
would we not be unbuttoning?
would you not be unbuttoning?
would they not be unbuttoning? 	would I not have unbuttoned?
would you not have unbuttoned?
would he not have unbuttoned?
would we not have unbuttoned?
would you not have unbuttoned?
would they not have unbuttoned? 	would I not have been unbuttoning?
would you not have been unbuttoning?
would he not have been unbuttoning?
would we not have been unbuttoning?
would you not have been unbuttoning?
would they not have been unbuttoning?