ought to leaf
Regular verb: leaf - leafed- leafed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?