should leaf
Regular verb: leaf - leafed- leafed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd leaf
you'd leaf
she'd leaf
we'd leaf
you'd leaf
they'd leaf 	I'd be leafing
you'd be leafing
she'd be leafing
we'd be leafing
you'd be leafing
they'd be leafing	I should've leafed
you should've leafed
she should've leafed
we should've leafed
you should've leafed
they should've leafed	I should've been leafing
you should've been leafing
she should've been leafing
we should've been leafing
you should've been leafing
they should've been leafing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't leaf
you shouldn't leaf
she shouldn't leaf
we shouldn't leaf
you shouldn't leaf
they shouldn't leaf 	I shouldn't be leafing
you shouldn't be leafing
she shouldn't be leafing
we shouldn't be leafing
you shouldn't be leafing
they shouldn't be leafing	I shouldn't have leafed
you shouldn't have leafed
she shouldn't have leafed
we shouldn't have leafed
you shouldn't have leafed
they shouldn't have leafed	I shouldn't have been leafing
you shouldn't have been leafing
she shouldn't have been leafing
we shouldn't have been leafing
you shouldn't have been leafing
they shouldn't have been leafing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I leaf?
should you leaf?
should she leaf?
should we leaf?
should you leaf?
should they leaf? 	should I be leafing?
should you be leafing?
should she be leafing?
should we be leafing?
should you be leafing?
should they be leafing? 	should I have leafed?
should you have leafed?
should she have leafed?
should we have leafed?
should you have leafed?
should they have leafed? 	should I have been leafing?
should you have been leafing?
should she have been leafing?
should we have been leafing?
should you have been leafing?
should they have been leafing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I leaf?
shouldn't you leaf?
shouldn't she leaf?
shouldn't we leaf?
shouldn't you leaf?
shouldn't they leaf? 	shouldn't I be leafing?
shouldn't you be leafing?
shouldn't she be leafing?
shouldn't we be leafing?
shouldn't you be leafing?
shouldn't they be leafing? 	shouldn't I have leafed?
shouldn't you have leafed?
shouldn't she have leafed?
shouldn't we have leafed?
shouldn't you have leafed?
shouldn't they have leafed? 	shouldn't I have been leafing?
shouldn't you have been leafing?
shouldn't she have been leafing?
shouldn't we have been leafing?
shouldn't you have been leafing?
shouldn't they have been leafing?