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