English verb conjugation
OUGHT TO AIRMAIL

Regular verb: airmail - airmailed - airmailed

Affirmation

Simple form	V-ing form
I ought to airmail you ought to airmail he ought to airmail we ought to airmail you ought to airmail they ought to airmail	I ought to be airmailing you ought to be airmailing he ought to be airmailing we ought to be airmailing you ought to be airmailing they ought to be airmailing
Perfect	V-ing perfect
I ought to have airmailed you ought to have airmailed he ought to have airmailed we ought to have airmailed you ought to have airmailed they ought to have airmailed	I ought to have been airmailing you ought to have been airmailing he ought to have been airmailing we ought to have been airmailing you ought to have been airmailing they ought to have been airmailing

Negation

Simple form	V-ing form
I oughtn't to airmail you oughtn't to airmail he oughtn't to airmail we oughtn't to airmail you oughtn't to airmail they oughtn't to airmail	I oughtn't to be airmailing you oughtn't to be airmailing he oughtn't to be airmailing we oughtn't to be airmailing you oughtn't to be airmailing they oughtn't to be airmailing
Perfect	V-ing perfect
I oughtn't to have airmailed you oughtn't to have airmailed he oughtn't to have airmailed we oughtn't to have airmailed you oughtn't to have airmailed they oughtn't to have airmailed	I oughtn't to have been airmailing you oughtn't to have been airmailing he oughtn't to have been airmailing we oughtn't to have been airmailing you oughtn't to have been airmailing they oughtn't to have been airmailing

Interrogative form

Simple form	V-ing form
ought to I airmail? ought to you airmail? ought to he airmail? ought to we airmail? ought to you airmail? ought to they airmail?	ought to I be airmailing? ought to you be airmailing? ought to he be airmailing? ought to we be airmailing? ought to you be airmailing? ought to they be airmailing?
Perfect	V-ing perfect
ought to I have airmailed? ought to you have airmailed? ought to he have airmailed? ought to we have airmailed? ought to you have airmailed? ought to they have airmailed?	ought to I have been airmailing? ought to you have been airmailing? ought to he have been airmailing? ought to we have been airmailing? ought to you have been airmailing? ought to they have been airmailing?

Interro-negative form

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