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