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