English verb conjugation
OUGHT TO DRUM

Regular verb: drum - drummed - drummed

Affirmation

Simple form	V-ing form
I ought to drum you ought to drum he ought to drum we ought to drum you ought to drum they ought to drum	I ought to be drumming you ought to be drumming he ought to be drumming we ought to be drumming you ought to be drumming they ought to be drumming
Perfect	V-ing perfect
I ought to have drummed you ought to have drummed he ought to have drummed we ought to have drummed you ought to have drummed they ought to have drummed	I ought to have been drumming you ought to have been drumming he ought to have been drumming we ought to have been drumming you ought to have been drumming they ought to have been drumming

Negation

Simple form	V-ing form
I oughtn't to drum you oughtn't to drum he oughtn't to drum we oughtn't to drum you oughtn't to drum they oughtn't to drum	I oughtn't to be drumming you oughtn't to be drumming he oughtn't to be drumming we oughtn't to be drumming you oughtn't to be drumming they oughtn't to be drumming
Perfect	V-ing perfect
I oughtn't to have drummed you oughtn't to have drummed he oughtn't to have drummed we oughtn't to have drummed you oughtn't to have drummed they oughtn't to have drummed	I oughtn't to have been drumming you oughtn't to have been drumming he oughtn't to have been drumming we oughtn't to have been drumming you oughtn't to have been drumming they oughtn't to have been drumming

Interrogative form

Simple form	V-ing form
ought to I drum? ought to you drum? ought to he drum? ought to we drum? ought to you drum? ought to they drum?	ought to I be drumming? ought to you be drumming? ought to he be drumming? ought to we be drumming? ought to you be drumming? ought to they be drumming?
Perfect	V-ing perfect
ought to I have drummed? ought to you have drummed? ought to he have drummed? ought to we have drummed? ought to you have drummed? ought to they have drummed?	ought to I have been drumming? ought to you have been drumming? ought to he have been drumming? ought to we have been drumming? ought to you have been drumming? ought to they have been drumming?

Interro-negative form

Simple form	V-ing form
oughtn't I to drum? oughtn't you to drum? oughtn't he to drum? oughtn't we to drum? oughtn't you to drum? oughtn't they to drum?	oughtn't I to be drumming? oughtn't you to be drumming? oughtn't he to be drumming? oughtn't we to be drumming? oughtn't you to be drumming? oughtn't they to be drumming?
Perfect	V-ing perfect
oughtn't I to have drummed? oughtn't you to have drummed? oughtn't he to have drummed? oughtn't we to have drummed? oughtn't you to have drummed? oughtn't they to have drummed?	oughtn't I to have been drumming? oughtn't you to have been drumming? oughtn't he to have been drumming? oughtn't we to have been drumming? oughtn't you to have been drumming? oughtn't they to have been drumming?