English verb conjugation
SHOULD MAIL

Regular verb: mail - mailed - mailed

Affirmation

Simple form	V-ing form
I'd mail you'd mail he'd mail we'd mail you'd mail they'd mail	I'd be mailing you'd be mailing he'd be mailing we'd be mailing you'd be mailing they'd be mailing
Perfect	V-ing perfect
I should've mailed you should've mailed he should've mailed we should've mailed you should've mailed they should've mailed	I should've been mailing you should've been mailing he should've been mailing we should've been mailing you should've been mailing they should've been mailing

Negation

Simple form	V-ing form
I shouldn't mail you shouldn't mail he shouldn't mail we shouldn't mail you shouldn't mail they shouldn't mail	I shouldn't be mailing you shouldn't be mailing he shouldn't be mailing we shouldn't be mailing you shouldn't be mailing they shouldn't be mailing
Perfect	V-ing perfect
I shouldn't have mailed you shouldn't have mailed he shouldn't have mailed we shouldn't have mailed you shouldn't have mailed they shouldn't have mailed	I shouldn't have been mailing you shouldn't have been mailing he shouldn't have been mailing we shouldn't have been mailing you shouldn't have been mailing they shouldn't have been mailing

Interrogative form

Simple form	V-ing form
should I mail? should you mail? should he mail? should we mail? should you mail? should they mail?	should I be mailing? should you be mailing? should he be mailing? should we be mailing? should you be mailing? should they be mailing?
Perfect	V-ing perfect
should I have mailed? should you have mailed? should he have mailed? should we have mailed? should you have mailed? should they have mailed?	should I have been mailing? should you have been mailing? should he have been mailing? should we have been mailing? should you have been mailing? should they have been mailing?

Interro-negative form

Simple form	V-ing form
shouldn't I mail? shouldn't you mail? shouldn't he mail? shouldn't we mail? shouldn't you mail? shouldn't they mail?	shouldn't I be mailing? shouldn't you be mailing? shouldn't he be mailing? shouldn't we be mailing? shouldn't you be mailing? shouldn't they be mailing?
Perfect	V-ing perfect
shouldn't I have mailed? shouldn't you have mailed? shouldn't he have mailed? shouldn't we have mailed? shouldn't you have mailed? shouldn't they have mailed?	shouldn't I have been mailing? shouldn't you have been mailing? shouldn't he have been mailing? shouldn't we have been mailing? shouldn't you have been mailing? shouldn't they have been mailing?