English verb conjugation
OUGHT TO LEAF

Regular verb: leaf - leafed - leafed

Affirmation

Simple form	V-ing form
I ought to leaf you ought to leaf he ought to leaf we ought to leaf you ought to leaf they ought to leaf	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?