should leister
Verbe régulier : leister - leistered- leistered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd leister
you'd leister
he'd leister
we'd leister
you'd leister
they'd leister 	I'd be leistering
you'd be leistering
he'd be leistering
we'd be leistering
you'd be leistering
they'd be leistering	I should've leistered
you should've leistered
he should've leistered
we should've leistered
you should've leistered
they should've leistered	I should've been leistering
you should've been leistering
he should've been leistering
we should've been leistering
you should've been leistering
they should've been leistering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't leister
you shouldn't leister
he shouldn't leister
we shouldn't leister
you shouldn't leister
they shouldn't leister 	I shouldn't be leistering
you shouldn't be leistering
he shouldn't be leistering
we shouldn't be leistering
you shouldn't be leistering
they shouldn't be leistering	I shouldn't have leistered
you shouldn't have leistered
he shouldn't have leistered
we shouldn't have leistered
you shouldn't have leistered
they shouldn't have leistered	I shouldn't have been leistering
you shouldn't have been leistering
he shouldn't have been leistering
we shouldn't have been leistering
you shouldn't have been leistering
they shouldn't have been leistering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I leister?
should you leister?
should he leister?
should we leister?
should you leister?
should they leister? 	should I be leistering?
should you be leistering?
should he be leistering?
should we be leistering?
should you be leistering?
should they be leistering? 	should I have leistered?
should you have leistered?
should he have leistered?
should we have leistered?
should you have leistered?
should they have leistered? 	should I have been leistering?
should you have been leistering?
should he have been leistering?
should we have been leistering?
should you have been leistering?
should they have been leistering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I leister?
shouldn't you leister?
shouldn't he leister?
shouldn't we leister?
shouldn't you leister?
shouldn't they leister? 	shouldn't I be leistering?
shouldn't you be leistering?
shouldn't he be leistering?
shouldn't we be leistering?
shouldn't you be leistering?
shouldn't they be leistering? 	shouldn't I have leistered?
shouldn't you have leistered?
shouldn't he have leistered?
shouldn't we have leistered?
shouldn't you have leistered?
shouldn't they have leistered? 	shouldn't I have been leistering?
shouldn't you have been leistering?
shouldn't he have been leistering?
shouldn't we have been leistering?
shouldn't you have been leistering?
shouldn't they have been leistering?