English verb conjugation
OUGHT TO INVENT

Regular verb: invent - invented - invented

Affirmation

Simple form	V-ing form
I ought to invent you ought to invent he ought to invent we ought to invent you ought to invent they ought to invent	I ought to be inventing you ought to be inventing he ought to be inventing we ought to be inventing you ought to be inventing they ought to be inventing
Perfect	V-ing perfect
I ought to have invented you ought to have invented he ought to have invented we ought to have invented you ought to have invented they ought to have invented	I ought to have been inventing you ought to have been inventing he ought to have been inventing we ought to have been inventing you ought to have been inventing they ought to have been inventing

Negation

Simple form	V-ing form
I ought not to invent you ought not to invent he ought not to invent we ought not to invent you ought not to invent they ought not to invent	I ought not to inventing you ought not to inventing he ought not to inventing we ought not to inventing you ought not to inventing they ought not to inventing
Perfect	V-ing perfect
I ought not to have invented you ought not to have invented he ought not to have invented we ought not to have invented you ought not to have invented they ought not to have invented	I ought not to have been inventing you ought not to have been inventing he ought not to have been inventing we ought not to have been inventing you ought not to have been inventing they ought not to have been inventing

Interrogative form

Simple form	V-ing form
ought to I invent? ought to you invent? ought to he invent? ought to we invent? ought to you invent? ought to they invent?	ought to I be inventing? ought to you be inventing? ought to he be inventing? ought to we be inventing? ought to you be inventing? ought to they be inventing?
Perfect	V-ing perfect
ought to I have invented? ought to you have invented? ought to he have invented? ought to we have invented? ought to you have invented? ought to they have invented?	ought to I have been inventing? ought to you have been inventing? ought to he have been inventing? ought to we have been inventing? ought to you have been inventing? ought to they have been inventing?

Interro-negative form

Simple form	V-ing form
ought I not to invent? ought you not to invent? ought he not to invent? ought we not to invent? ought you not to invent? ought they not to invent?	ought I not to be inventing? ought you not to be inventing? ought he not to be inventing? ought we not to be inventing? ought you not to be inventing? ought they not to be inventing?
Perfect	V-ing perfect
ought I not to have invented? ought you not to have invented? ought he not to have invented? ought we not to have invented? ought you not to have invented? ought they not to have invented?	ought I not to have been inventing? ought you not to have been inventing? ought he not to have been inventing? ought we not to have been inventing? ought you not to have been inventing? ought they not to have been inventing?