English verb conjugation
OUGHT TO INTRODUCE

Regular verb: introduce - introduced - introduced

Affirmation

Simple form	V-ing form
I ought to introduce you ought to introduce he ought to introduce we ought to introduce you ought to introduce they ought to introduce	I ought to be introducing you ought to be introducing he ought to be introducing we ought to be introducing you ought to be introducing they ought to be introducing
Perfect	V-ing perfect
I ought to have introduced you ought to have introduced he ought to have introduced we ought to have introduced you ought to have introduced they ought to have introduced	I ought to have been introducing you ought to have been introducing he ought to have been introducing we ought to have been introducing you ought to have been introducing they ought to have been introducing

Negation

Simple form	V-ing form
I oughtn't to introduce you oughtn't to introduce he oughtn't to introduce we oughtn't to introduce you oughtn't to introduce they oughtn't to introduce	I oughtn't to be introducing you oughtn't to be introducing he oughtn't to be introducing we oughtn't to be introducing you oughtn't to be introducing they oughtn't to be introducing
Perfect	V-ing perfect
I oughtn't to have introduced you oughtn't to have introduced he oughtn't to have introduced we oughtn't to have introduced you oughtn't to have introduced they oughtn't to have introduced	I oughtn't to have been introducing you oughtn't to have been introducing he oughtn't to have been introducing we oughtn't to have been introducing you oughtn't to have been introducing they oughtn't to have been introducing

Interrogative form

Simple form	V-ing form
ought to I introduce? ought to you introduce? ought to he introduce? ought to we introduce? ought to you introduce? ought to they introduce?	ought to I be introducing? ought to you be introducing? ought to he be introducing? ought to we be introducing? ought to you be introducing? ought to they be introducing?
Perfect	V-ing perfect
ought to I have introduced? ought to you have introduced? ought to he have introduced? ought to we have introduced? ought to you have introduced? ought to they have introduced?	ought to I have been introducing? ought to you have been introducing? ought to he have been introducing? ought to we have been introducing? ought to you have been introducing? ought to they have been introducing?

Interro-negative form

Simple form	V-ing form
oughtn't I to introduce? oughtn't you to introduce? oughtn't he to introduce? oughtn't we to introduce? oughtn't you to introduce? oughtn't they to introduce?	oughtn't I to be introducing? oughtn't you to be introducing? oughtn't he to be introducing? oughtn't we to be introducing? oughtn't you to be introducing? oughtn't they to be introducing?
Perfect	V-ing perfect
oughtn't I to have introduced? oughtn't you to have introduced? oughtn't he to have introduced? oughtn't we to have introduced? oughtn't you to have introduced? oughtn't they to have introduced?	oughtn't I to have been introducing? oughtn't you to have been introducing? oughtn't he to have been introducing? oughtn't we to have been introducing? oughtn't you to have been introducing? oughtn't they to have been introducing?