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