I should confirm you should confirm he should confirm we should confirm you should confirm they should confirm
V-ing form
I should be confirming you should be confirming he should be confirming we should be confirming you should be confirming they should be confirming
Perfect
I should have confirmed you should have confirmed he should have confirmed we should have confirmed you should have confirmed they should have confirmed
V-ing perfect
I should have been confirming you should have been confirming he should have been confirming we should have been confirming you should have been confirming they should have been confirming
Negation
Simple form
I should not confirm you should not confirm he should not confirm we should not confirm you should not confirm they should not confirm
V-ing form
I should not be confirming you should not be confirming he should not be confirming we should not be confirming you should not be confirming they should not be confirming
Perfect
I should not have confirmed you should not have confirmed he should not have confirmed we should not have confirmed you should not have confirmed they should not have confirmed
V-ing perfect
I should not have been confirming you should not have been confirming he should not have been confirming we should not have been confirming you should not have been confirming they should not have been confirming
Interrogative form
Simple form
should I confirm? should you confirm? should he confirm? should we confirm? should you confirm? should they confirm?
V-ing form
should I be confirming? should you be confirming? should he be confirming? should we be confirming? should you be confirming? should they be confirming?
Perfect
should I have confirmed? should you have confirmed? should he 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 he have been confirming? should we have been confirming? should you have been confirming? should they have been confirming?
Interro-negative form
Simple form
should I not confirm? should you not confirm? should he not confirm? should we not confirm? should you not confirm? should they not confirm?
V-ing form
should I not be confirming? should you not be confirming? should he not be confirming? should we not be confirming? should you not be confirming? should they not be confirming?
Perfect
should I not have confirmed? should you not have confirmed? should he not have confirmed? should we not have confirmed? should you not have confirmed? should they not have confirmed?
V-ing perfect
should I not have been confirming? should you not have been confirming? should he not have been confirming? should we not have been confirming? should you not have been confirming? should they not have been confirming?