English verb conjugation
SHOULD TARNISH

Regular verb: tarnish - tarnished - tarnished

Affirmation

Simple form	V-ing form
I'd tarnish you'd tarnish he'd tarnish we'd tarnish you'd tarnish they'd tarnish	I'd be tarnishing you'd be tarnishing he'd be tarnishing we'd be tarnishing you'd be tarnishing they'd be tarnishing
Perfect	V-ing perfect
I should've tarnished you should've tarnished he should've tarnished we should've tarnished you should've tarnished they should've tarnished	I should've been tarnishing you should've been tarnishing he should've been tarnishing we should've been tarnishing you should've been tarnishing they should've been tarnishing

Negation

Simple form	V-ing form
I shouldn't tarnish you shouldn't tarnish he shouldn't tarnish we shouldn't tarnish you shouldn't tarnish they shouldn't tarnish	I shouldn't be tarnishing you shouldn't be tarnishing he shouldn't be tarnishing we shouldn't be tarnishing you shouldn't be tarnishing they shouldn't be tarnishing
Perfect	V-ing perfect
I shouldn't have tarnished you shouldn't have tarnished he shouldn't have tarnished we shouldn't have tarnished you shouldn't have tarnished they shouldn't have tarnished	I shouldn't have been tarnishing you shouldn't have been tarnishing he shouldn't have been tarnishing we shouldn't have been tarnishing you shouldn't have been tarnishing they shouldn't have been tarnishing

Interrogative form

Simple form	V-ing form
should I tarnish? should you tarnish? should he tarnish? should we tarnish? should you tarnish? should they tarnish?	should I be tarnishing? should you be tarnishing? should he be tarnishing? should we be tarnishing? should you be tarnishing? should they be tarnishing?
Perfect	V-ing perfect
should I have tarnished? should you have tarnished? should he have tarnished? should we have tarnished? should you have tarnished? should they have tarnished?	should I have been tarnishing? should you have been tarnishing? should he have been tarnishing? should we have been tarnishing? should you have been tarnishing? should they have been tarnishing?

Interro-negative form

Simple form	V-ing form
shouldn't I tarnish? shouldn't you tarnish? shouldn't he tarnish? shouldn't we tarnish? shouldn't you tarnish? shouldn't they tarnish?	shouldn't I be tarnishing? shouldn't you be tarnishing? shouldn't he be tarnishing? shouldn't we be tarnishing? shouldn't you be tarnishing? shouldn't they be tarnishing?
Perfect	V-ing perfect
shouldn't I have tarnished? shouldn't you have tarnished? shouldn't he have tarnished? shouldn't we have tarnished? shouldn't you have tarnished? shouldn't they have tarnished?	shouldn't I have been tarnishing? shouldn't you have been tarnishing? shouldn't he have been tarnishing? shouldn't we have been tarnishing? shouldn't you have been tarnishing? shouldn't they have been tarnishing?