I ought to decay you ought to decay she 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 she 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 she 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 she 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 ought not to decay you ought not to decay she ought not to decay we ought not to decay you ought not to decay they ought not to decay
V-ing form
I ought not to decaying you ought not to decaying she ought not to decaying we ought not to decaying you ought not to decaying they ought not to decaying
Perfect
I ought not to have decayed you ought not to have decayed she ought not to have decayed we ought not to have decayed you ought not to have decayed they ought not to have decayed
V-ing perfect
I ought not to have been decaying you ought not to have been decaying she ought not to have been decaying we ought not to have been decaying you ought not to have been decaying they ought not to have been decaying
Interrogative form
Simple form
ought to I decay? ought to you decay? ought to she 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 she 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 she 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 she 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
ought I not to decay? ought you not to decay? ought she not to decay? ought we not to decay? ought you not to decay? ought they not to decay?
V-ing form
ought I not to be decaying? ought you not to be decaying? ought she not to be decaying? ought we not to be decaying? ought you not to be decaying? ought they not to be decaying?
Perfect
ought I not to have decayed? ought you not to have decayed? ought she not to have decayed? ought we not to have decayed? ought you not to have decayed? ought they not to have decayed?
V-ing perfect
ought I not to have been decaying? ought you not to have been decaying? ought she not to have been decaying? ought we not to have been decaying? ought you not to have been decaying? ought they not to have been decaying?