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