I'd be extinguishing you'd be extinguishing he'd be extinguishing we'd be extinguishing you'd be extinguishing they'd be extinguishing
Perfect
I should've extinguished you should've extinguished he should've extinguished we should've extinguished you should've extinguished they should've extinguished
V-ing perfect
I should've been extinguishing you should've been extinguishing he should've been extinguishing we should've been extinguishing you should've been extinguishing they should've been extinguishing
Negation
Simple form
I shouldn't extinguish you shouldn't extinguish he shouldn't extinguish we shouldn't extinguish you shouldn't extinguish they shouldn't extinguish
V-ing form
I shouldn't be extinguishing you shouldn't be extinguishing he shouldn't be extinguishing we shouldn't be extinguishing you shouldn't be extinguishing they shouldn't be extinguishing
Perfect
I shouldn't have extinguished you shouldn't have extinguished he shouldn't have extinguished we shouldn't have extinguished you shouldn't have extinguished they shouldn't have extinguished
V-ing perfect
I shouldn't have been extinguishing you shouldn't have been extinguishing he shouldn't have been extinguishing we shouldn't have been extinguishing you shouldn't have been extinguishing they shouldn't have been extinguishing
Interrogative form
Simple form
should I extinguish? should you extinguish? should he extinguish? should we extinguish? should you extinguish? should they extinguish?
V-ing form
should I be extinguishing? should you be extinguishing? should he be extinguishing? should we be extinguishing? should you be extinguishing? should they be extinguishing?
Perfect
should I have extinguished? should you have extinguished? should he have extinguished? should we have extinguished? should you have extinguished? should they have extinguished?
V-ing perfect
should I have been extinguishing? should you have been extinguishing? should he have been extinguishing? should we have been extinguishing? should you have been extinguishing? should they have been extinguishing?
Interro-negative form
Simple form
shouldn't I extinguish? shouldn't you extinguish? shouldn't he extinguish? shouldn't we extinguish? shouldn't you extinguish? shouldn't they extinguish?
V-ing form
shouldn't I be extinguishing? shouldn't you be extinguishing? shouldn't he be extinguishing? shouldn't we be extinguishing? shouldn't you be extinguishing? shouldn't they be extinguishing?
Perfect
shouldn't I have extinguished? shouldn't you have extinguished? shouldn't he have extinguished? shouldn't we have extinguished? shouldn't you have extinguished? shouldn't they have extinguished?
V-ing perfect
shouldn't I have been extinguishing? shouldn't you have been extinguishing? shouldn't he have been extinguishing? shouldn't we have been extinguishing? shouldn't you have been extinguishing? shouldn't they have been extinguishing?