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