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