I ought to leaf you ought to leaf she ought to leaf we ought to leaf you ought to leaf they ought to leaf
V-ing form
I ought to be leafing you ought to be leafing she ought to be leafing we ought to be leafing you ought to be leafing they ought to be leafing
Perfect
I ought to have leafed you ought to have leafed she ought to have leafed we ought to have leafed you ought to have leafed they ought to have leafed
V-ing perfect
I ought to have been leafing you ought to have been leafing she ought to have been leafing we ought to have been leafing you ought to have been leafing they ought to have been leafing
Negation
Simple form
I ought not to leaf you ought not to leaf she ought not to leaf we ought not to leaf you ought not to leaf they ought not to leaf
V-ing form
I ought not to leafing you ought not to leafing she ought not to leafing we ought not to leafing you ought not to leafing they ought not to leafing
Perfect
I ought not to have leafed you ought not to have leafed she ought not to have leafed we ought not to have leafed you ought not to have leafed they ought not to have leafed
V-ing perfect
I ought not to have been leafing you ought not to have been leafing she ought not to have been leafing we ought not to have been leafing you ought not to have been leafing they ought not to have been leafing
Interrogative form
Simple form
ought to I leaf? ought to you leaf? ought to she leaf? ought to we leaf? ought to you leaf? ought to they leaf?
V-ing form
ought to I be leafing? ought to you be leafing? ought to she be leafing? ought to we be leafing? ought to you be leafing? ought to they be leafing?
Perfect
ought to I have leafed? ought to you have leafed? ought to she have leafed? ought to we have leafed? ought to you have leafed? ought to they have leafed?
V-ing perfect
ought to I have been leafing? ought to you have been leafing? ought to she have been leafing? ought to we have been leafing? ought to you have been leafing? ought to they have been leafing?
Interro-negative form
Simple form
ought I not to leaf? ought you not to leaf? ought she not to leaf? ought we not to leaf? ought you not to leaf? ought they not to leaf?
V-ing form
ought I not to be leafing? ought you not to be leafing? ought she not to be leafing? ought we not to be leafing? ought you not to be leafing? ought they not to be leafing?
Perfect
ought I not to have leafed? ought you not to have leafed? ought she not to have leafed? ought we not to have leafed? ought you not to have leafed? ought they not to have leafed?
V-ing perfect
ought I not to have been leafing? ought you not to have been leafing? ought she not to have been leafing? ought we not to have been leafing? ought you not to have been leafing? ought they not to have been leafing?