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