English verb conjugation
OUGHT TO GUM

Regular verb: gum - gummed - gummed

Affirmation

Simple form	V-ing form
I ought to gum you ought to gum he ought to gum we ought to gum you ought to gum they ought to gum	I ought to be gumming you ought to be gumming he ought to be gumming we ought to be gumming you ought to be gumming they ought to be gumming
Perfect	V-ing perfect
I ought to have gummed you ought to have gummed he ought to have gummed we ought to have gummed you ought to have gummed they ought to have gummed	I ought to have been gumming you ought to have been gumming he ought to have been gumming we ought to have been gumming you ought to have been gumming they ought to have been gumming

Negation

Simple form	V-ing form
I ought not to gum you ought not to gum he ought not to gum we ought not to gum you ought not to gum they ought not to gum	I ought not to gumming you ought not to gumming he ought not to gumming we ought not to gumming you ought not to gumming they ought not to gumming
Perfect	V-ing perfect
I ought not to have gummed you ought not to have gummed he ought not to have gummed we ought not to have gummed you ought not to have gummed they ought not to have gummed	I ought not to have been gumming you ought not to have been gumming he ought not to have been gumming we ought not to have been gumming you ought not to have been gumming they ought not to have been gumming

Interrogative form

Simple form	V-ing form
ought to I gum? ought to you gum? ought to he gum? ought to we gum? ought to you gum? ought to they gum?	ought to I be gumming? ought to you be gumming? ought to he be gumming? ought to we be gumming? ought to you be gumming? ought to they be gumming?
Perfect	V-ing perfect
ought to I have gummed? ought to you have gummed? ought to he have gummed? ought to we have gummed? ought to you have gummed? ought to they have gummed?	ought to I have been gumming? ought to you have been gumming? ought to he have been gumming? ought to we have been gumming? ought to you have been gumming? ought to they have been gumming?

Interro-negative form

Simple form	V-ing form
ought I not to gum? ought you not to gum? ought he not to gum? ought we not to gum? ought you not to gum? ought they not to gum?	ought I not to be gumming? ought you not to be gumming? ought he not to be gumming? ought we not to be gumming? ought you not to be gumming? ought they not to be gumming?
Perfect	V-ing perfect
ought I not to have gummed? ought you not to have gummed? ought he not to have gummed? ought we not to have gummed? ought you not to have gummed? ought they not to have gummed?	ought I not to have been gumming? ought you not to have been gumming? ought he not to have been gumming? ought we not to have been gumming? ought you not to have been gumming? ought they not to have been gumming?