English verb conjugation
SHOULD SUPERIMPOSE

Regular verb: superimpose - superimposed - superimposed

Affirmation

Simple form	V-ing form
I'd superimpose you'd superimpose he'd superimpose we'd superimpose you'd superimpose they'd superimpose	I'd be superimposing you'd be superimposing he'd be superimposing we'd be superimposing you'd be superimposing they'd be superimposing
Perfect	V-ing perfect
I should've superimposed you should've superimposed he should've superimposed we should've superimposed you should've superimposed they should've superimposed	I should've been superimposing you should've been superimposing he should've been superimposing we should've been superimposing you should've been superimposing they should've been superimposing

Negation

Simple form	V-ing form
I shouldn't superimpose you shouldn't superimpose he shouldn't superimpose we shouldn't superimpose you shouldn't superimpose they shouldn't superimpose	I shouldn't be superimposing you shouldn't be superimposing he shouldn't be superimposing we shouldn't be superimposing you shouldn't be superimposing they shouldn't be superimposing
Perfect	V-ing perfect
I shouldn't have superimposed you shouldn't have superimposed he shouldn't have superimposed we shouldn't have superimposed you shouldn't have superimposed they shouldn't have superimposed	I shouldn't have been superimposing you shouldn't have been superimposing he shouldn't have been superimposing we shouldn't have been superimposing you shouldn't have been superimposing they shouldn't have been superimposing

Interrogative form

Simple form	V-ing form
should I superimpose? should you superimpose? should he superimpose? should we superimpose? should you superimpose? should they superimpose?	should I be superimposing? should you be superimposing? should he be superimposing? should we be superimposing? should you be superimposing? should they be superimposing?
Perfect	V-ing perfect
should I have superimposed? should you have superimposed? should he have superimposed? should we have superimposed? should you have superimposed? should they have superimposed?	should I have been superimposing? should you have been superimposing? should he have been superimposing? should we have been superimposing? should you have been superimposing? should they have been superimposing?

Interro-negative form

Simple form	V-ing form
shouldn't I superimpose? shouldn't you superimpose? shouldn't he superimpose? shouldn't we superimpose? shouldn't you superimpose? shouldn't they superimpose?	shouldn't I be superimposing? shouldn't you be superimposing? shouldn't he be superimposing? shouldn't we be superimposing? shouldn't you be superimposing? shouldn't they be superimposing?
Perfect	V-ing perfect
shouldn't I have superimposed? shouldn't you have superimposed? shouldn't he have superimposed? shouldn't we have superimposed? shouldn't you have superimposed? shouldn't they have superimposed?	shouldn't I have been superimposing? shouldn't you have been superimposing? shouldn't he have been superimposing? shouldn't we have been superimposing? shouldn't you have been superimposing? shouldn't they have been superimposing?