English verb conjugation
SHOULD AIRMAIL

Regular verb: airmail - airmailed - airmailed

Affirmation

Simple form	V-ing form
I'd airmail you'd airmail she'd airmail we'd airmail you'd airmail they'd airmail	I'd be airmailing you'd be airmailing she'd be airmailing we'd be airmailing you'd be airmailing they'd be airmailing
Perfect	V-ing perfect
I should've airmailed you should've airmailed she should've airmailed we should've airmailed you should've airmailed they should've airmailed	I should've been airmailing you should've been airmailing she should've been airmailing we should've been airmailing you should've been airmailing they should've been airmailing

Negation

Simple form	V-ing form
I shouldn't airmail you shouldn't airmail she shouldn't airmail we shouldn't airmail you shouldn't airmail they shouldn't airmail	I shouldn't be airmailing you shouldn't be airmailing she shouldn't be airmailing we shouldn't be airmailing you shouldn't be airmailing they shouldn't be airmailing
Perfect	V-ing perfect
I shouldn't have airmailed you shouldn't have airmailed she shouldn't have airmailed we shouldn't have airmailed you shouldn't have airmailed they shouldn't have airmailed	I shouldn't have been airmailing you shouldn't have been airmailing she shouldn't have been airmailing we shouldn't have been airmailing you shouldn't have been airmailing they shouldn't have been airmailing

Interrogative form

Simple form	V-ing form
should I airmail? should you airmail? should she airmail? should we airmail? should you airmail? should they airmail?	should I be airmailing? should you be airmailing? should she be airmailing? should we be airmailing? should you be airmailing? should they be airmailing?
Perfect	V-ing perfect
should I have airmailed? should you have airmailed? should she have airmailed? should we have airmailed? should you have airmailed? should they have airmailed?	should I have been airmailing? should you have been airmailing? should she have been airmailing? should we have been airmailing? should you have been airmailing? should they have been airmailing?

Interro-negative form

Simple form	V-ing form
shouldn't I airmail? shouldn't you airmail? shouldn't she airmail? shouldn't we airmail? shouldn't you airmail? shouldn't they airmail?	shouldn't I be airmailing? shouldn't you be airmailing? shouldn't she be airmailing? shouldn't we be airmailing? shouldn't you be airmailing? shouldn't they be airmailing?
Perfect	V-ing perfect
shouldn't I have airmailed? shouldn't you have airmailed? shouldn't she have airmailed? shouldn't we have airmailed? shouldn't you have airmailed? shouldn't they have airmailed?	shouldn't I have been airmailing? shouldn't you have been airmailing? shouldn't she have been airmailing? shouldn't we have been airmailing? shouldn't you have been airmailing? shouldn't they have been airmailing?