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