would extinguish
Regular verb: extinguish - extinguished- extinguished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would extinguish
you would extinguish
he would extinguish
we would extinguish
you would extinguish
they would extinguish 	I would be extinguishing
you would be extinguishing
he would be extinguishing
we would be extinguishing
you would be extinguishing
they would be extinguishing	I would have extinguished
you would have extinguished
he would have extinguished
we would have extinguished
you would have extinguished
they would have extinguished	I would have been extinguishing
you would have been extinguishing
he would have been extinguishing
we would have been extinguishing
you would have been extinguishing
they would have been extinguishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not extinguish
you would not extinguish
he would not extinguish
we would not extinguish
you would not extinguish
they would not extinguish 	I would not be extinguishing
you would not be extinguishing
he would not be extinguishing
we would not be extinguishing
you would not be extinguishing
they would not be extinguishing	I would not have extinguished
you would not have extinguished
he would not have extinguished
we would not have extinguished
you would not have extinguished
they would not have extinguished	I would not have been extinguishing
you would not have been extinguishing
he would not have been extinguishing
we would not have been extinguishing
you would not have been extinguishing
they would not have been extinguishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I extinguish?
would you extinguish?
would he extinguish?
would we extinguish?
would you extinguish?
would they extinguish? 	would I be extinguishing?
would you be extinguishing?
would he be extinguishing?
would we be extinguishing?
would you be extinguishing?
would they be extinguishing? 	would I have extinguished?
would you have extinguished?
would he have extinguished?
would we have extinguished?
would you have extinguished?
would they have extinguished? 	would I have been extinguishing?
would you have been extinguishing?
would he have been extinguishing?
would we have been extinguishing?
would you have been extinguishing?
would they have been extinguishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not extinguish?
would you not extinguish?
would he not extinguish?
would we not extinguish?
would you not extinguish?
would they not extinguish? 	would I not be extinguishing?
would you not be extinguishing?
would he not be extinguishing?
would we not be extinguishing?
would you not be extinguishing?
would they not be extinguishing? 	would I not have extinguished?
would you not have extinguished?
would he not have extinguished?
would we not have extinguished?
would you not have extinguished?
would they not have extinguished? 	would I not have been extinguishing?
would you not have been extinguishing?
would he not have been extinguishing?
would we not have been extinguishing?
would you not have been extinguishing?
would they not have been extinguishing?