I ought to descend you ought to descend she ought to descend we ought to descend you ought to descend they ought to descend
V-ing form
I ought to be descending you ought to be descending she ought to be descending we ought to be descending you ought to be descending they ought to be descending
Perfect
I ought to have descended you ought to have descended she ought to have descended we ought to have descended you ought to have descended they ought to have descended
V-ing perfect
I ought to have been descending you ought to have been descending she ought to have been descending we ought to have been descending you ought to have been descending they ought to have been descending
Negation
Simple form
I ought not to descend you ought not to descend she ought not to descend we ought not to descend you ought not to descend they ought not to descend
V-ing form
I ought not to descending you ought not to descending she ought not to descending we ought not to descending you ought not to descending they ought not to descending
Perfect
I ought not to have descended you ought not to have descended she ought not to have descended we ought not to have descended you ought not to have descended they ought not to have descended
V-ing perfect
I ought not to have been descending you ought not to have been descending she ought not to have been descending we ought not to have been descending you ought not to have been descending they ought not to have been descending
Interrogative form
Simple form
ought to I descend? ought to you descend? ought to she descend? ought to we descend? ought to you descend? ought to they descend?
V-ing form
ought to I be descending? ought to you be descending? ought to she be descending? ought to we be descending? ought to you be descending? ought to they be descending?
Perfect
ought to I have descended? ought to you have descended? ought to she have descended? ought to we have descended? ought to you have descended? ought to they have descended?
V-ing perfect
ought to I have been descending? ought to you have been descending? ought to she have been descending? ought to we have been descending? ought to you have been descending? ought to they have been descending?
Interro-negative form
Simple form
ought I not to descend? ought you not to descend? ought she not to descend? ought we not to descend? ought you not to descend? ought they not to descend?
V-ing form
ought I not to be descending? ought you not to be descending? ought she not to be descending? ought we not to be descending? ought you not to be descending? ought they not to be descending?
Perfect
ought I not to have descended? ought you not to have descended? ought she not to have descended? ought we not to have descended? ought you not to have descended? ought they not to have descended?
V-ing perfect
ought I not to have been descending? ought you not to have been descending? ought she not to have been descending? ought we not to have been descending? ought you not to have been descending? ought they not to have been descending?