I ought to harden you ought to harden he ought to harden we ought to harden you ought to harden they ought to harden
V-ing form
I ought to be hardening you ought to be hardening he ought to be hardening we ought to be hardening you ought to be hardening they ought to be hardening
Perfect
I ought to have hardened you ought to have hardened he ought to have hardened we ought to have hardened you ought to have hardened they ought to have hardened
V-ing perfect
I ought to have been hardening you ought to have been hardening he ought to have been hardening we ought to have been hardening you ought to have been hardening they ought to have been hardening
Negation
Simple form
I oughtn't to harden you oughtn't to harden he oughtn't to harden we oughtn't to harden you oughtn't to harden they oughtn't to harden
V-ing form
I oughtn't to be hardening you oughtn't to be hardening he oughtn't to be hardening we oughtn't to be hardening you oughtn't to be hardening they oughtn't to be hardening
Perfect
I oughtn't to have hardened you oughtn't to have hardened he oughtn't to have hardened we oughtn't to have hardened you oughtn't to have hardened they oughtn't to have hardened
V-ing perfect
I oughtn't to have been hardening you oughtn't to have been hardening he oughtn't to have been hardening we oughtn't to have been hardening you oughtn't to have been hardening they oughtn't to have been hardening
Interrogative form
Simple form
ought to I harden? ought to you harden? ought to he harden? ought to we harden? ought to you harden? ought to they harden?
V-ing form
ought to I be hardening? ought to you be hardening? ought to he be hardening? ought to we be hardening? ought to you be hardening? ought to they be hardening?
Perfect
ought to I have hardened? ought to you have hardened? ought to he have hardened? ought to we have hardened? ought to you have hardened? ought to they have hardened?
V-ing perfect
ought to I have been hardening? ought to you have been hardening? ought to he have been hardening? ought to we have been hardening? ought to you have been hardening? ought to they have been hardening?
Interro-negative form
Simple form
oughtn't I to harden? oughtn't you to harden? oughtn't he to harden? oughtn't we to harden? oughtn't you to harden? oughtn't they to harden?
V-ing form
oughtn't I to be hardening? oughtn't you to be hardening? oughtn't he to be hardening? oughtn't we to be hardening? oughtn't you to be hardening? oughtn't they to be hardening?
Perfect
oughtn't I to have hardened? oughtn't you to have hardened? oughtn't he to have hardened? oughtn't we to have hardened? oughtn't you to have hardened? oughtn't they to have hardened?
V-ing perfect
oughtn't I to have been hardening? oughtn't you to have been hardening? oughtn't he to have been hardening? oughtn't we to have been hardening? oughtn't you to have been hardening? oughtn't they to have been hardening?