English verb conjugation
OUGHT TO MAIL

Regular verb: mail - mailed - mailed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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