might extinguish
Regular verb: extinguish - extinguished- extinguished

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

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

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

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