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 ought not to perish you ought not to perish he ought not to perish we ought not to perish you ought not to perish they ought not to perish
V-ing form
I ought not to perishing you ought not to perishing he ought not to perishing we ought not to perishing you ought not to perishing they ought not to perishing
Perfect
I ought not to have perished you ought not to have perished he ought not to have perished we ought not to have perished you ought not to have perished they ought not to have perished
V-ing perfect
I ought not to have been perishing you ought not to have been perishing he ought not to have been perishing we ought not to have been perishing you ought not to have been perishing they ought not 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
ought I not to perish? ought you not to perish? ought he not to perish? ought we not to perish? ought you not to perish? ought they not to perish?
V-ing form
ought I not to be perishing? ought you not to be perishing? ought he not to be perishing? ought we not to be perishing? ought you not to be perishing? ought they not to be perishing?
Perfect
ought I not to have perished? ought you not to have perished? ought he not to have perished? ought we not to have perished? ought you not to have perished? ought they not to have perished?
V-ing perfect
ought I not to have been perishing? ought you not to have been perishing? ought he not to have been perishing? ought we not to have been perishing? ought you not to have been perishing? ought they not to have been perishing?