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