English verb conjugation
SHOULD WAIL

Regular verb: wail - wailed - wailed

Affirmation

Simple form	V-ing form
I'd wail you'd wail he'd wail we'd wail you'd wail they'd wail	I'd be wailing you'd be wailing he'd be wailing we'd be wailing you'd be wailing they'd be wailing
Perfect	V-ing perfect
I should've wailed you should've wailed he should've wailed we should've wailed you should've wailed they should've wailed	I should've been wailing you should've been wailing he should've been wailing we should've been wailing you should've been wailing they should've been wailing

Negation

Simple form	V-ing form
I shouldn't wail you shouldn't wail he shouldn't wail we shouldn't wail you shouldn't wail they shouldn't wail	I shouldn't be wailing you shouldn't be wailing he shouldn't be wailing we shouldn't be wailing you shouldn't be wailing they shouldn't be wailing
Perfect	V-ing perfect
I shouldn't have wailed you shouldn't have wailed he shouldn't have wailed we shouldn't have wailed you shouldn't have wailed they shouldn't have wailed	I shouldn't have been wailing you shouldn't have been wailing he shouldn't have been wailing we shouldn't have been wailing you shouldn't have been wailing they shouldn't have been wailing

Interrogative form

Simple form	V-ing form
should I wail? should you wail? should he wail? should we wail? should you wail? should they wail?	should I be wailing? should you be wailing? should he be wailing? should we be wailing? should you be wailing? should they be wailing?
Perfect	V-ing perfect
should I have wailed? should you have wailed? should he have wailed? should we have wailed? should you have wailed? should they have wailed?	should I have been wailing? should you have been wailing? should he have been wailing? should we have been wailing? should you have been wailing? should they have been wailing?

Interro-negative form

Simple form	V-ing form
shouldn't I wail? shouldn't you wail? shouldn't he wail? shouldn't we wail? shouldn't you wail? shouldn't they wail?	shouldn't I be wailing? shouldn't you be wailing? shouldn't he be wailing? shouldn't we be wailing? shouldn't you be wailing? shouldn't they be wailing?
Perfect	V-ing perfect
shouldn't I have wailed? shouldn't you have wailed? shouldn't he have wailed? shouldn't we have wailed? shouldn't you have wailed? shouldn't they have wailed?	shouldn't I have been wailing? shouldn't you have been wailing? shouldn't he have been wailing? shouldn't we have been wailing? shouldn't you have been wailing? shouldn't they have been wailing?