I ought to leaf you ought to leaf he 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 he 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 he 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 he 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 oughtn't to leaf you oughtn't to leaf he oughtn't to leaf we oughtn't to leaf you oughtn't to leaf they oughtn't to leaf
V-ing form
I oughtn't to be leafing you oughtn't to be leafing he oughtn't to be leafing we oughtn't to be leafing you oughtn't to be leafing they oughtn't to be leafing
Perfect
I oughtn't to have leafed you oughtn't to have leafed he oughtn't to have leafed we oughtn't to have leafed you oughtn't to have leafed they oughtn't to have leafed
V-ing perfect
I oughtn't to have been leafing you oughtn't to have been leafing he oughtn't to have been leafing we oughtn't to have been leafing you oughtn't to have been leafing they oughtn't to have been leafing
Interrogative form
Simple form
ought to I leaf? ought to you leaf? ought to he 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 he 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 he 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 he 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
oughtn't I to leaf? oughtn't you to leaf? oughtn't he to leaf? oughtn't we to leaf? oughtn't you to leaf? oughtn't they to leaf?
V-ing form
oughtn't I to be leafing? oughtn't you to be leafing? oughtn't he to be leafing? oughtn't we to be leafing? oughtn't you to be leafing? oughtn't they to be leafing?
Perfect
oughtn't I to have leafed? oughtn't you to have leafed? oughtn't he to have leafed? oughtn't we to have leafed? oughtn't you to have leafed? oughtn't they to have leafed?
V-ing perfect
oughtn't I to have been leafing? oughtn't you to have been leafing? oughtn't he to have been leafing? oughtn't we to have been leafing? oughtn't you to have been leafing? oughtn't they to have been leafing?