English verb conjugation
OUGHT TO PREINSTRUCT

Regular verb: preinstruct - preinstructed - preinstructed

Affirmation

Simple form	V-ing form
I ought to preinstruct you ought to preinstruct she ought to preinstruct we ought to preinstruct you ought to preinstruct they ought to preinstruct	I ought to be preinstructing you ought to be preinstructing she ought to be preinstructing we ought to be preinstructing you ought to be preinstructing they ought to be preinstructing
Perfect	V-ing perfect
I ought to have preinstructed you ought to have preinstructed she ought to have preinstructed we ought to have preinstructed you ought to have preinstructed they ought to have preinstructed	I ought to have been preinstructing you ought to have been preinstructing she ought to have been preinstructing we ought to have been preinstructing you ought to have been preinstructing they ought to have been preinstructing

Negation

Simple form	V-ing form
I ought not to preinstruct you ought not to preinstruct she ought not to preinstruct we ought not to preinstruct you ought not to preinstruct they ought not to preinstruct	I ought not to preinstructing you ought not to preinstructing she ought not to preinstructing we ought not to preinstructing you ought not to preinstructing they ought not to preinstructing
Perfect	V-ing perfect
I ought not to have preinstructed you ought not to have preinstructed she ought not to have preinstructed we ought not to have preinstructed you ought not to have preinstructed they ought not to have preinstructed	I ought not to have been preinstructing you ought not to have been preinstructing she ought not to have been preinstructing we ought not to have been preinstructing you ought not to have been preinstructing they ought not to have been preinstructing

Interrogative form

Simple form	V-ing form
ought to I preinstruct? ought to you preinstruct? ought to she preinstruct? ought to we preinstruct? ought to you preinstruct? ought to they preinstruct?	ought to I be preinstructing? ought to you be preinstructing? ought to she be preinstructing? ought to we be preinstructing? ought to you be preinstructing? ought to they be preinstructing?
Perfect	V-ing perfect
ought to I have preinstructed? ought to you have preinstructed? ought to she have preinstructed? ought to we have preinstructed? ought to you have preinstructed? ought to they have preinstructed?	ought to I have been preinstructing? ought to you have been preinstructing? ought to she have been preinstructing? ought to we have been preinstructing? ought to you have been preinstructing? ought to they have been preinstructing?

Interro-negative form

Simple form	V-ing form
ought I not to preinstruct? ought you not to preinstruct? ought she not to preinstruct? ought we not to preinstruct? ought you not to preinstruct? ought they not to preinstruct?	ought I not to be preinstructing? ought you not to be preinstructing? ought she not to be preinstructing? ought we not to be preinstructing? ought you not to be preinstructing? ought they not to be preinstructing?
Perfect	V-ing perfect
ought I not to have preinstructed? ought you not to have preinstructed? ought she not to have preinstructed? ought we not to have preinstructed? ought you not to have preinstructed? ought they not to have preinstructed?	ought I not to have been preinstructing? ought you not to have been preinstructing? ought she not to have been preinstructing? ought we not to have been preinstructing? ought you not to have been preinstructing? ought they not to have been preinstructing?