English verb conjugation
SHOULD CONFIRM

Regular verb: confirm - confirmed - confirmed

Affirmation

Simple form	V-ing form
I'd confirm you'd confirm she'd confirm we'd confirm you'd confirm they'd confirm	I'd be confirming you'd be confirming she'd be confirming we'd be confirming you'd be confirming they'd be confirming
Perfect	V-ing perfect
I should've confirmed you should've confirmed she should've confirmed we should've confirmed you should've confirmed they should've confirmed	I should've been confirming you should've been confirming she should've been confirming we should've been confirming you should've been confirming they should've been confirming

Negation

Simple form	V-ing form
I shouldn't confirm you shouldn't confirm she shouldn't confirm we shouldn't confirm you shouldn't confirm they shouldn't confirm	I shouldn't be confirming you shouldn't be confirming she shouldn't be confirming we shouldn't be confirming you shouldn't be confirming they shouldn't be confirming
Perfect	V-ing perfect
I shouldn't have confirmed you shouldn't have confirmed she shouldn't have confirmed we shouldn't have confirmed you shouldn't have confirmed they shouldn't have confirmed	I shouldn't have been confirming you shouldn't have been confirming she shouldn't have been confirming we shouldn't have been confirming you shouldn't have been confirming they shouldn't have been confirming

Interrogative form

Simple form	V-ing form
should I confirm? should you confirm? should she confirm? should we confirm? should you confirm? should they confirm?	should I be confirming? should you be confirming? should she be confirming? should we be confirming? should you be confirming? should they be confirming?
Perfect	V-ing perfect
should I have confirmed? should you have confirmed? should she have confirmed? should we have confirmed? should you have confirmed? should they have confirmed?	should I have been confirming? should you have been confirming? should she have been confirming? should we have been confirming? should you have been confirming? should they have been confirming?

Interro-negative form

Simple form	V-ing form
shouldn't I confirm? shouldn't you confirm? shouldn't she confirm? shouldn't we confirm? shouldn't you confirm? shouldn't they confirm?	shouldn't I be confirming? shouldn't you be confirming? shouldn't she be confirming? shouldn't we be confirming? shouldn't you be confirming? shouldn't they be confirming?
Perfect	V-ing perfect
shouldn't I have confirmed? shouldn't you have confirmed? shouldn't she have confirmed? shouldn't we have confirmed? shouldn't you have confirmed? shouldn't they have confirmed?	shouldn't I have been confirming? shouldn't you have been confirming? shouldn't she have been confirming? shouldn't we have been confirming? shouldn't you have been confirming? shouldn't they have been confirming?