English verb conjugation
SHOULD ROB

Regular verb: rob - robbed - robbed

Affirmation

Simple form	V-ing form
I'd rob you'd rob he'd rob we'd rob you'd rob they'd rob	I'd be robbing you'd be robbing he'd be robbing we'd be robbing you'd be robbing they'd be robbing
Perfect	V-ing perfect
I should've robbed you should've robbed he should've robbed we should've robbed you should've robbed they should've robbed	I should've been robbing you should've been robbing he should've been robbing we should've been robbing you should've been robbing they should've been robbing

Negation

Simple form	V-ing form
I shouldn't rob you shouldn't rob he shouldn't rob we shouldn't rob you shouldn't rob they shouldn't rob	I shouldn't be robbing you shouldn't be robbing he shouldn't be robbing we shouldn't be robbing you shouldn't be robbing they shouldn't be robbing
Perfect	V-ing perfect
I shouldn't have robbed you shouldn't have robbed he shouldn't have robbed we shouldn't have robbed you shouldn't have robbed they shouldn't have robbed	I shouldn't have been robbing you shouldn't have been robbing he shouldn't have been robbing we shouldn't have been robbing you shouldn't have been robbing they shouldn't have been robbing

Interrogative form

Simple form	V-ing form
should I rob? should you rob? should he rob? should we rob? should you rob? should they rob?	should I be robbing? should you be robbing? should he be robbing? should we be robbing? should you be robbing? should they be robbing?
Perfect	V-ing perfect
should I have robbed? should you have robbed? should he have robbed? should we have robbed? should you have robbed? should they have robbed?	should I have been robbing? should you have been robbing? should he have been robbing? should we have been robbing? should you have been robbing? should they have been robbing?

Interro-negative form

Simple form	V-ing form
shouldn't I rob? shouldn't you rob? shouldn't he rob? shouldn't we rob? shouldn't you rob? shouldn't they rob?	shouldn't I be robbing? shouldn't you be robbing? shouldn't he be robbing? shouldn't we be robbing? shouldn't you be robbing? shouldn't they be robbing?
Perfect	V-ing perfect
shouldn't I have robbed? shouldn't you have robbed? shouldn't he have robbed? shouldn't we have robbed? shouldn't you have robbed? shouldn't they have robbed?	shouldn't I have been robbing? shouldn't you have been robbing? shouldn't he have been robbing? shouldn't we have been robbing? shouldn't you have been robbing? shouldn't they have been robbing?