I'd be teasing you'd be teasing she'd be teasing we'd be teasing you'd be teasing they'd be teasing
Perfect
I should've teased you should've teased she 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 she 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 she 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 she 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 she 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 she 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 she tease? should we tease? should you tease? should they tease?
V-ing form
should I be teasing? should you be teasing? should she be teasing? should we be teasing? should you be teasing? should they be teasing?
Perfect
should I have teased? should you have teased? should she 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 she 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 she 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 she 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 she 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 she have been teasing? shouldn't we have been teasing? shouldn't you have been teasing? shouldn't they have been teasing?