English verb conjugation
OUGHT TO INVITE

Regular verb: invite - invited - invited

Affirmation

Simple form	V-ing form
I ought to invite you ought to invite he ought to invite we ought to invite you ought to invite they ought to invite	I ought to be inviting you ought to be inviting he ought to be inviting we ought to be inviting you ought to be inviting they ought to be inviting
Perfect	V-ing perfect
I ought to have invited you ought to have invited he ought to have invited we ought to have invited you ought to have invited they ought to have invited	I ought to have been inviting you ought to have been inviting he ought to have been inviting we ought to have been inviting you ought to have been inviting they ought to have been inviting

Negation

Simple form	V-ing form
I oughtn't to invite you oughtn't to invite he oughtn't to invite we oughtn't to invite you oughtn't to invite they oughtn't to invite	I oughtn't to be inviting you oughtn't to be inviting he oughtn't to be inviting we oughtn't to be inviting you oughtn't to be inviting they oughtn't to be inviting
Perfect	V-ing perfect
I oughtn't to have invited you oughtn't to have invited he oughtn't to have invited we oughtn't to have invited you oughtn't to have invited they oughtn't to have invited	I oughtn't to have been inviting you oughtn't to have been inviting he oughtn't to have been inviting we oughtn't to have been inviting you oughtn't to have been inviting they oughtn't to have been inviting

Interrogative form

Simple form	V-ing form
ought to I invite? ought to you invite? ought to he invite? ought to we invite? ought to you invite? ought to they invite?	ought to I be inviting? ought to you be inviting? ought to he be inviting? ought to we be inviting? ought to you be inviting? ought to they be inviting?
Perfect	V-ing perfect
ought to I have invited? ought to you have invited? ought to he have invited? ought to we have invited? ought to you have invited? ought to they have invited?	ought to I have been inviting? ought to you have been inviting? ought to he have been inviting? ought to we have been inviting? ought to you have been inviting? ought to they have been inviting?

Interro-negative form

Simple form	V-ing form
oughtn't I to invite? oughtn't you to invite? oughtn't he to invite? oughtn't we to invite? oughtn't you to invite? oughtn't they to invite?	oughtn't I to be inviting? oughtn't you to be inviting? oughtn't he to be inviting? oughtn't we to be inviting? oughtn't you to be inviting? oughtn't they to be inviting?
Perfect	V-ing perfect
oughtn't I to have invited? oughtn't you to have invited? oughtn't he to have invited? oughtn't we to have invited? oughtn't you to have invited? oughtn't they to have invited?	oughtn't I to have been inviting? oughtn't you to have been inviting? oughtn't he to have been inviting? oughtn't we to have been inviting? oughtn't you to have been inviting? oughtn't they to have been inviting?