I ought to perdure you ought to perdure she ought to perdure we ought to perdure you ought to perdure they ought to perdure
V-ing form
I ought to be perduring you ought to be perduring she ought to be perduring we ought to be perduring you ought to be perduring they ought to be perduring
Perfect
I ought to have perdured you ought to have perdured she ought to have perdured we ought to have perdured you ought to have perdured they ought to have perdured
V-ing perfect
I ought to have been perduring you ought to have been perduring she ought to have been perduring we ought to have been perduring you ought to have been perduring they ought to have been perduring
Negation
Simple form
I ought not to perdure you ought not to perdure she ought not to perdure we ought not to perdure you ought not to perdure they ought not to perdure
V-ing form
I ought not to perduring you ought not to perduring she ought not to perduring we ought not to perduring you ought not to perduring they ought not to perduring
Perfect
I ought not to have perdured you ought not to have perdured she ought not to have perdured we ought not to have perdured you ought not to have perdured they ought not to have perdured
V-ing perfect
I ought not to have been perduring you ought not to have been perduring she ought not to have been perduring we ought not to have been perduring you ought not to have been perduring they ought not to have been perduring
Interrogative form
Simple form
ought to I perdure? ought to you perdure? ought to she perdure? ought to we perdure? ought to you perdure? ought to they perdure?
V-ing form
ought to I be perduring? ought to you be perduring? ought to she be perduring? ought to we be perduring? ought to you be perduring? ought to they be perduring?
Perfect
ought to I have perdured? ought to you have perdured? ought to she have perdured? ought to we have perdured? ought to you have perdured? ought to they have perdured?
V-ing perfect
ought to I have been perduring? ought to you have been perduring? ought to she have been perduring? ought to we have been perduring? ought to you have been perduring? ought to they have been perduring?
Interro-negative form
Simple form
ought I not to perdure? ought you not to perdure? ought she not to perdure? ought we not to perdure? ought you not to perdure? ought they not to perdure?
V-ing form
ought I not to be perduring? ought you not to be perduring? ought she not to be perduring? ought we not to be perduring? ought you not to be perduring? ought they not to be perduring?
Perfect
ought I not to have perdured? ought you not to have perdured? ought she not to have perdured? ought we not to have perdured? ought you not to have perdured? ought they not to have perdured?
V-ing perfect
ought I not to have been perduring? ought you not to have been perduring? ought she not to have been perduring? ought we not to have been perduring? ought you not to have been perduring? ought they not to have been perduring?