English verb conjugation
OUGHT TO THRUM

Regular verb: thrum - thrumed - thrumed

Affirmation

Simple form	V-ing form
I ought to thrum you ought to thrum she ought to thrum we ought to thrum you ought to thrum they ought to thrum	I ought to be thruming you ought to be thruming she ought to be thruming we ought to be thruming you ought to be thruming they ought to be thruming
Perfect	V-ing perfect
I ought to have thrumed you ought to have thrumed she ought to have thrumed we ought to have thrumed you ought to have thrumed they ought to have thrumed	I ought to have been thruming you ought to have been thruming she ought to have been thruming we ought to have been thruming you ought to have been thruming they ought to have been thruming

Negation

Simple form	V-ing form
I oughtn't to thrum you oughtn't to thrum she oughtn't to thrum we oughtn't to thrum you oughtn't to thrum they oughtn't to thrum	I oughtn't to be thruming you oughtn't to be thruming she oughtn't to be thruming we oughtn't to be thruming you oughtn't to be thruming they oughtn't to be thruming
Perfect	V-ing perfect
I oughtn't to have thrumed you oughtn't to have thrumed she oughtn't to have thrumed we oughtn't to have thrumed you oughtn't to have thrumed they oughtn't to have thrumed	I oughtn't to have been thruming you oughtn't to have been thruming she oughtn't to have been thruming we oughtn't to have been thruming you oughtn't to have been thruming they oughtn't to have been thruming

Interrogative form

Simple form	V-ing form
ought to I thrum? ought to you thrum? ought to she thrum? ought to we thrum? ought to you thrum? ought to they thrum?	ought to I be thruming? ought to you be thruming? ought to she be thruming? ought to we be thruming? ought to you be thruming? ought to they be thruming?
Perfect	V-ing perfect
ought to I have thrumed? ought to you have thrumed? ought to she have thrumed? ought to we have thrumed? ought to you have thrumed? ought to they have thrumed?	ought to I have been thruming? ought to you have been thruming? ought to she have been thruming? ought to we have been thruming? ought to you have been thruming? ought to they have been thruming?

Interro-negative form

Simple form	V-ing form
oughtn't I to thrum? oughtn't you to thrum? oughtn't she to thrum? oughtn't we to thrum? oughtn't you to thrum? oughtn't they to thrum?	oughtn't I to be thruming? oughtn't you to be thruming? oughtn't she to be thruming? oughtn't we to be thruming? oughtn't you to be thruming? oughtn't they to be thruming?
Perfect	V-ing perfect
oughtn't I to have thrumed? oughtn't you to have thrumed? oughtn't she to have thrumed? oughtn't we to have thrumed? oughtn't you to have thrumed? oughtn't they to have thrumed?	oughtn't I to have been thruming? oughtn't you to have been thruming? oughtn't she to have been thruming? oughtn't we to have been thruming? oughtn't you to have been thruming? oughtn't they to have been thruming?