English verb conjugation
SHOULD UNNAIL

Regular verb: unnail - unnailed - unnailed

Affirmation

Simple form	V-ing form
I'd unnail you'd unnail she'd unnail we'd unnail you'd unnail they'd unnail	I'd be unnailing you'd be unnailing she'd be unnailing we'd be unnailing you'd be unnailing they'd be unnailing
Perfect	V-ing perfect
I should've unnailed you should've unnailed she should've unnailed we should've unnailed you should've unnailed they should've unnailed	I should've been unnailing you should've been unnailing she should've been unnailing we should've been unnailing you should've been unnailing they should've been unnailing

Negation

Simple form	V-ing form
I shouldn't unnail you shouldn't unnail she shouldn't unnail we shouldn't unnail you shouldn't unnail they shouldn't unnail	I shouldn't be unnailing you shouldn't be unnailing she shouldn't be unnailing we shouldn't be unnailing you shouldn't be unnailing they shouldn't be unnailing
Perfect	V-ing perfect
I shouldn't have unnailed you shouldn't have unnailed she shouldn't have unnailed we shouldn't have unnailed you shouldn't have unnailed they shouldn't have unnailed	I shouldn't have been unnailing you shouldn't have been unnailing she shouldn't have been unnailing we shouldn't have been unnailing you shouldn't have been unnailing they shouldn't have been unnailing

Interrogative form

Simple form	V-ing form
should I unnail? should you unnail? should she unnail? should we unnail? should you unnail? should they unnail?	should I be unnailing? should you be unnailing? should she be unnailing? should we be unnailing? should you be unnailing? should they be unnailing?
Perfect	V-ing perfect
should I have unnailed? should you have unnailed? should she have unnailed? should we have unnailed? should you have unnailed? should they have unnailed?	should I have been unnailing? should you have been unnailing? should she have been unnailing? should we have been unnailing? should you have been unnailing? should they have been unnailing?

Interro-negative form

Simple form	V-ing form
shouldn't I unnail? shouldn't you unnail? shouldn't she unnail? shouldn't we unnail? shouldn't you unnail? shouldn't they unnail?	shouldn't I be unnailing? shouldn't you be unnailing? shouldn't she be unnailing? shouldn't we be unnailing? shouldn't you be unnailing? shouldn't they be unnailing?
Perfect	V-ing perfect
shouldn't I have unnailed? shouldn't you have unnailed? shouldn't she have unnailed? shouldn't we have unnailed? shouldn't you have unnailed? shouldn't they have unnailed?	shouldn't I have been unnailing? shouldn't you have been unnailing? shouldn't she have been unnailing? shouldn't we have been unnailing? shouldn't you have been unnailing? shouldn't they have been unnailing?