I'd be abbreviating you'd be abbreviating she'd be abbreviating we'd be abbreviating you'd be abbreviating they'd be abbreviating
Perfect
I should've abbreviated you should've abbreviated she should've abbreviated we should've abbreviated you should've abbreviated they should've abbreviated
V-ing perfect
I should've been abbreviating you should've been abbreviating she should've been abbreviating we should've been abbreviating you should've been abbreviating they should've been abbreviating
Negation
Simple form
I shouldn't abbreviate you shouldn't abbreviate she shouldn't abbreviate we shouldn't abbreviate you shouldn't abbreviate they shouldn't abbreviate
V-ing form
I shouldn't be abbreviating you shouldn't be abbreviating she shouldn't be abbreviating we shouldn't be abbreviating you shouldn't be abbreviating they shouldn't be abbreviating
Perfect
I shouldn't have abbreviated you shouldn't have abbreviated she shouldn't have abbreviated we shouldn't have abbreviated you shouldn't have abbreviated they shouldn't have abbreviated
V-ing perfect
I shouldn't have been abbreviating you shouldn't have been abbreviating she shouldn't have been abbreviating we shouldn't have been abbreviating you shouldn't have been abbreviating they shouldn't have been abbreviating
Interrogative form
Simple form
should I abbreviate? should you abbreviate? should she abbreviate? should we abbreviate? should you abbreviate? should they abbreviate?
V-ing form
should I be abbreviating? should you be abbreviating? should she be abbreviating? should we be abbreviating? should you be abbreviating? should they be abbreviating?
Perfect
should I have abbreviated? should you have abbreviated? should she have abbreviated? should we have abbreviated? should you have abbreviated? should they have abbreviated?
V-ing perfect
should I have been abbreviating? should you have been abbreviating? should she have been abbreviating? should we have been abbreviating? should you have been abbreviating? should they have been abbreviating?
Interro-negative form
Simple form
shouldn't I abbreviate? shouldn't you abbreviate? shouldn't she abbreviate? shouldn't we abbreviate? shouldn't you abbreviate? shouldn't they abbreviate?
V-ing form
shouldn't I be abbreviating? shouldn't you be abbreviating? shouldn't she be abbreviating? shouldn't we be abbreviating? shouldn't you be abbreviating? shouldn't they be abbreviating?
Perfect
shouldn't I have abbreviated? shouldn't you have abbreviated? shouldn't she have abbreviated? shouldn't we have abbreviated? shouldn't you have abbreviated? shouldn't they have abbreviated?
V-ing perfect
shouldn't I have been abbreviating? shouldn't you have been abbreviating? shouldn't she have been abbreviating? shouldn't we have been abbreviating? shouldn't you have been abbreviating? shouldn't they have been abbreviating?