English verb conjugation
OUGHT TO RETRIEVE

Regular verb: retrieve - retrieved - retrieved

Affirmation

Simple form	V-ing form
I ought to retrieve you ought to retrieve he ought to retrieve we ought to retrieve you ought to retrieve they ought to retrieve	I ought to be retrieving you ought to be retrieving he ought to be retrieving we ought to be retrieving you ought to be retrieving they ought to be retrieving
Perfect	V-ing perfect
I ought to have retrieved you ought to have retrieved he ought to have retrieved we ought to have retrieved you ought to have retrieved they ought to have retrieved	I ought to have been retrieving you ought to have been retrieving he ought to have been retrieving we ought to have been retrieving you ought to have been retrieving they ought to have been retrieving

Negation

Simple form	V-ing form
I ought not to retrieve you ought not to retrieve he ought not to retrieve we ought not to retrieve you ought not to retrieve they ought not to retrieve	I ought not to retrieving you ought not to retrieving he ought not to retrieving we ought not to retrieving you ought not to retrieving they ought not to retrieving
Perfect	V-ing perfect
I ought not to have retrieved you ought not to have retrieved he ought not to have retrieved we ought not to have retrieved you ought not to have retrieved they ought not to have retrieved	I ought not to have been retrieving you ought not to have been retrieving he ought not to have been retrieving we ought not to have been retrieving you ought not to have been retrieving they ought not to have been retrieving

Interrogative form

Simple form	V-ing form
ought to I retrieve? ought to you retrieve? ought to he retrieve? ought to we retrieve? ought to you retrieve? ought to they retrieve?	ought to I be retrieving? ought to you be retrieving? ought to he be retrieving? ought to we be retrieving? ought to you be retrieving? ought to they be retrieving?
Perfect	V-ing perfect
ought to I have retrieved? ought to you have retrieved? ought to he have retrieved? ought to we have retrieved? ought to you have retrieved? ought to they have retrieved?	ought to I have been retrieving? ought to you have been retrieving? ought to he have been retrieving? ought to we have been retrieving? ought to you have been retrieving? ought to they have been retrieving?

Interro-negative form

Simple form	V-ing form
ought I not to retrieve? ought you not to retrieve? ought he not to retrieve? ought we not to retrieve? ought you not to retrieve? ought they not to retrieve?	ought I not to be retrieving? ought you not to be retrieving? ought he not to be retrieving? ought we not to be retrieving? ought you not to be retrieving? ought they not to be retrieving?
Perfect	V-ing perfect
ought I not to have retrieved? ought you not to have retrieved? ought he not to have retrieved? ought we not to have retrieved? ought you not to have retrieved? ought they not to have retrieved?	ought I not to have been retrieving? ought you not to have been retrieving? ought he not to have been retrieving? ought we not to have been retrieving? ought you not to have been retrieving? ought they not to have been retrieving?