ought to extinguish
Regular verb: extinguish - extinguished- extinguished

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

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

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

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