English verb conjugation
OUGHT TO PREWORK

Regular verb: prework - preworked - preworked

Affirmation

Simple form	V-ing form
I ought to prework you ought to prework he ought to prework we ought to prework you ought to prework they ought to prework	I ought to be preworking you ought to be preworking he ought to be preworking we ought to be preworking you ought to be preworking they ought to be preworking
Perfect	V-ing perfect
I ought to have preworked you ought to have preworked he ought to have preworked we ought to have preworked you ought to have preworked they ought to have preworked	I ought to have been preworking you ought to have been preworking he ought to have been preworking we ought to have been preworking you ought to have been preworking they ought to have been preworking

Negation

Simple form	V-ing form
I ought not to prework you ought not to prework he ought not to prework we ought not to prework you ought not to prework they ought not to prework	I ought not to preworking you ought not to preworking he ought not to preworking we ought not to preworking you ought not to preworking they ought not to preworking
Perfect	V-ing perfect
I ought not to have preworked you ought not to have preworked he ought not to have preworked we ought not to have preworked you ought not to have preworked they ought not to have preworked	I ought not to have been preworking you ought not to have been preworking he ought not to have been preworking we ought not to have been preworking you ought not to have been preworking they ought not to have been preworking

Interrogative form

Simple form	V-ing form
ought to I prework? ought to you prework? ought to he prework? ought to we prework? ought to you prework? ought to they prework?	ought to I be preworking? ought to you be preworking? ought to he be preworking? ought to we be preworking? ought to you be preworking? ought to they be preworking?
Perfect	V-ing perfect
ought to I have preworked? ought to you have preworked? ought to he have preworked? ought to we have preworked? ought to you have preworked? ought to they have preworked?	ought to I have been preworking? ought to you have been preworking? ought to he have been preworking? ought to we have been preworking? ought to you have been preworking? ought to they have been preworking?

Interro-negative form

Simple form	V-ing form
ought I not to prework? ought you not to prework? ought he not to prework? ought we not to prework? ought you not to prework? ought they not to prework?	ought I not to be preworking? ought you not to be preworking? ought he not to be preworking? ought we not to be preworking? ought you not to be preworking? ought they not to be preworking?
Perfect	V-ing perfect
ought I not to have preworked? ought you not to have preworked? ought he not to have preworked? ought we not to have preworked? ought you not to have preworked? ought they not to have preworked?	ought I not to have been preworking? ought you not to have been preworking? ought he not to have been preworking? ought we not to have been preworking? ought you not to have been preworking? ought they not to have been preworking?