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