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
I should've confirmed you should've confirmed she should've confirmed we should've confirmed you should've confirmed they should've confirmed
V-ing perfect
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
I shouldn't confirm you shouldn't confirm she shouldn't confirm we shouldn't confirm you shouldn't confirm they shouldn't confirm
V-ing form
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
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
V-ing perfect
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
should I confirm? should you confirm? should she confirm? should we confirm? should you confirm? should they confirm?
V-ing form
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
should I have confirmed? should you have confirmed? should she have confirmed? should we have confirmed? should you have confirmed? should they have confirmed?
V-ing perfect
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
shouldn't I confirm? shouldn't you confirm? shouldn't she confirm? shouldn't we confirm? shouldn't you confirm? shouldn't they confirm?
V-ing form
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
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?
V-ing perfect
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?