should fable
Verbo regular: fable - fabled- fabled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd fable
you'd fable
she'd fable
we'd fable
you'd fable
they'd fable 	I'd be fabling
you'd be fabling
she'd be fabling
we'd be fabling
you'd be fabling
they'd be fabling	I should've fabled
you should've fabled
she should've fabled
we should've fabled
you should've fabled
they should've fabled	I should've been fabling
you should've been fabling
she should've been fabling
we should've been fabling
you should've been fabling
they should've been fabling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't fable
you shouldn't fable
she shouldn't fable
we shouldn't fable
you shouldn't fable
they shouldn't fable 	I shouldn't be fabling
you shouldn't be fabling
she shouldn't be fabling
we shouldn't be fabling
you shouldn't be fabling
they shouldn't be fabling	I shouldn't have fabled
you shouldn't have fabled
she shouldn't have fabled
we shouldn't have fabled
you shouldn't have fabled
they shouldn't have fabled	I shouldn't have been fabling
you shouldn't have been fabling
she shouldn't have been fabling
we shouldn't have been fabling
you shouldn't have been fabling
they shouldn't have been fabling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I fable?
should you fable?
should she fable?
should we fable?
should you fable?
should they fable? 	should I be fabling?
should you be fabling?
should she be fabling?
should we be fabling?
should you be fabling?
should they be fabling? 	should I have fabled?
should you have fabled?
should she have fabled?
should we have fabled?
should you have fabled?
should they have fabled? 	should I have been fabling?
should you have been fabling?
should she have been fabling?
should we have been fabling?
should you have been fabling?
should they have been fabling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I fable?
shouldn't you fable?
shouldn't she fable?
shouldn't we fable?
shouldn't you fable?
shouldn't they fable? 	shouldn't I be fabling?
shouldn't you be fabling?
shouldn't she be fabling?
shouldn't we be fabling?
shouldn't you be fabling?
shouldn't they be fabling? 	shouldn't I have fabled?
shouldn't you have fabled?
shouldn't she have fabled?
shouldn't we have fabled?
shouldn't you have fabled?
shouldn't they have fabled? 	shouldn't I have been fabling?
shouldn't you have been fabling?
shouldn't she have been fabling?
shouldn't we have been fabling?
shouldn't you have been fabling?
shouldn't they have been fabling?