English verb conjugation
OUGHT TO SHAM

Regular verb: sham - shammed - shammed

Affirmation

Simple form	V-ing form
I ought to sham you ought to sham he ought to sham we ought to sham you ought to sham they ought to sham	I ought to be shamming you ought to be shamming he ought to be shamming we ought to be shamming you ought to be shamming they ought to be shamming
Perfect	V-ing perfect
I ought to have shammed you ought to have shammed he ought to have shammed we ought to have shammed you ought to have shammed they ought to have shammed	I ought to have been shamming you ought to have been shamming he ought to have been shamming we ought to have been shamming you ought to have been shamming they ought to have been shamming

Negation

Simple form	V-ing form
I oughtn't to sham you oughtn't to sham he oughtn't to sham we oughtn't to sham you oughtn't to sham they oughtn't to sham	I oughtn't to be shamming you oughtn't to be shamming he oughtn't to be shamming we oughtn't to be shamming you oughtn't to be shamming they oughtn't to be shamming
Perfect	V-ing perfect
I oughtn't to have shammed you oughtn't to have shammed he oughtn't to have shammed we oughtn't to have shammed you oughtn't to have shammed they oughtn't to have shammed	I oughtn't to have been shamming you oughtn't to have been shamming he oughtn't to have been shamming we oughtn't to have been shamming you oughtn't to have been shamming they oughtn't to have been shamming

Interrogative form

Simple form	V-ing form
ought to I sham? ought to you sham? ought to he sham? ought to we sham? ought to you sham? ought to they sham?	ought to I be shamming? ought to you be shamming? ought to he be shamming? ought to we be shamming? ought to you be shamming? ought to they be shamming?
Perfect	V-ing perfect
ought to I have shammed? ought to you have shammed? ought to he have shammed? ought to we have shammed? ought to you have shammed? ought to they have shammed?	ought to I have been shamming? ought to you have been shamming? ought to he have been shamming? ought to we have been shamming? ought to you have been shamming? ought to they have been shamming?

Interro-negative form

Simple form	V-ing form
oughtn't I to sham? oughtn't you to sham? oughtn't he to sham? oughtn't we to sham? oughtn't you to sham? oughtn't they to sham?	oughtn't I to be shamming? oughtn't you to be shamming? oughtn't he to be shamming? oughtn't we to be shamming? oughtn't you to be shamming? oughtn't they to be shamming?
Perfect	V-ing perfect
oughtn't I to have shammed? oughtn't you to have shammed? oughtn't he to have shammed? oughtn't we to have shammed? oughtn't you to have shammed? oughtn't they to have shammed?	oughtn't I to have been shamming? oughtn't you to have been shamming? oughtn't he to have been shamming? oughtn't we to have been shamming? oughtn't you to have been shamming? oughtn't they to have been shamming?