English verb conjugation
OUGHT TO MASTER

Regular verb: master - mastered - mastered

Affirmation

Simple form	V-ing form
I ought to master you ought to master she ought to master we ought to master you ought to master they ought to master	I ought to be mastering you ought to be mastering she ought to be mastering we ought to be mastering you ought to be mastering they ought to be mastering
Perfect	V-ing perfect
I ought to have mastered you ought to have mastered she ought to have mastered we ought to have mastered you ought to have mastered they ought to have mastered	I ought to have been mastering you ought to have been mastering she ought to have been mastering we ought to have been mastering you ought to have been mastering they ought to have been mastering

Negation

Simple form	V-ing form
I ought not to master you ought not to master she ought not to master we ought not to master you ought not to master they ought not to master	I ought not to mastering you ought not to mastering she ought not to mastering we ought not to mastering you ought not to mastering they ought not to mastering
Perfect	V-ing perfect
I ought not to have mastered you ought not to have mastered she ought not to have mastered we ought not to have mastered you ought not to have mastered they ought not to have mastered	I ought not to have been mastering you ought not to have been mastering she ought not to have been mastering we ought not to have been mastering you ought not to have been mastering they ought not to have been mastering

Interrogative form

Simple form	V-ing form
ought to I master? ought to you master? ought to she master? ought to we master? ought to you master? ought to they master?	ought to I be mastering? ought to you be mastering? ought to she be mastering? ought to we be mastering? ought to you be mastering? ought to they be mastering?
Perfect	V-ing perfect
ought to I have mastered? ought to you have mastered? ought to she have mastered? ought to we have mastered? ought to you have mastered? ought to they have mastered?	ought to I have been mastering? ought to you have been mastering? ought to she have been mastering? ought to we have been mastering? ought to you have been mastering? ought to they have been mastering?

Interro-negative form

Simple form	V-ing form
ought I not to master? ought you not to master? ought she not to master? ought we not to master? ought you not to master? ought they not to master?	ought I not to be mastering? ought you not to be mastering? ought she not to be mastering? ought we not to be mastering? ought you not to be mastering? ought they not to be mastering?
Perfect	V-ing perfect
ought I not to have mastered? ought you not to have mastered? ought she not to have mastered? ought we not to have mastered? ought you not to have mastered? ought they not to have mastered?	ought I not to have been mastering? ought you not to have been mastering? ought she not to have been mastering? ought we not to have been mastering? ought you not to have been mastering? ought they not to have been mastering?