English verb conjugation
SHOULD RAIL

Regular verb: rail - railed - railed

Affirmation

Simple form	V-ing form
I'd rail you'd rail he'd rail we'd rail you'd rail they'd rail	I'd be railing you'd be railing he'd be railing we'd be railing you'd be railing they'd be railing
Perfect	V-ing perfect
I should've railed you should've railed he should've railed we should've railed you should've railed they should've railed	I should've been railing you should've been railing he should've been railing we should've been railing you should've been railing they should've been railing

Negation

Simple form	V-ing form
I shouldn't rail you shouldn't rail he shouldn't rail we shouldn't rail you shouldn't rail they shouldn't rail	I shouldn't be railing you shouldn't be railing he shouldn't be railing we shouldn't be railing you shouldn't be railing they shouldn't be railing
Perfect	V-ing perfect
I shouldn't have railed you shouldn't have railed he shouldn't have railed we shouldn't have railed you shouldn't have railed they shouldn't have railed	I shouldn't have been railing you shouldn't have been railing he shouldn't have been railing we shouldn't have been railing you shouldn't have been railing they shouldn't have been railing

Interrogative form

Simple form	V-ing form
should I rail? should you rail? should he rail? should we rail? should you rail? should they rail?	should I be railing? should you be railing? should he be railing? should we be railing? should you be railing? should they be railing?
Perfect	V-ing perfect
should I have railed? should you have railed? should he have railed? should we have railed? should you have railed? should they have railed?	should I have been railing? should you have been railing? should he have been railing? should we have been railing? should you have been railing? should they have been railing?

Interro-negative form

Simple form	V-ing form
shouldn't I rail? shouldn't you rail? shouldn't he rail? shouldn't we rail? shouldn't you rail? shouldn't they rail?	shouldn't I be railing? shouldn't you be railing? shouldn't he be railing? shouldn't we be railing? shouldn't you be railing? shouldn't they be railing?
Perfect	V-ing perfect
shouldn't I have railed? shouldn't you have railed? shouldn't he have railed? shouldn't we have railed? shouldn't you have railed? shouldn't they have railed?	shouldn't I have been railing? shouldn't you have been railing? shouldn't he have been railing? shouldn't we have been railing? shouldn't you have been railing? shouldn't they have been railing?