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