should fable
Verbo regular: fable - fabled- fabled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should fable
you should fable
she should fable
we should fable
you should fable
they should fable 	I should be fabling
you should be fabling
she should be fabling
we should be fabling
you should be fabling
they should be fabling	I should have fabled
you should have fabled
she should have fabled
we should have fabled
you should have fabled
they should have fabled	I should have been fabling
you should have been fabling
she should have been fabling
we should have been fabling
you should have been fabling
they should have been fabling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not fable
you should not fable
she should not fable
we should not fable
you should not fable
they should not fable 	I should not be fabling
you should not be fabling
she should not be fabling
we should not be fabling
you should not be fabling
they should not be fabling	I should not have fabled
you should not have fabled
she should not have fabled
we should not have fabled
you should not have fabled
they should not have fabled	I should not have been fabling
you should not have been fabling
she should not have been fabling
we should not have been fabling
you should not have been fabling
they should not have been fabling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not fable?
should you not fable?
should she not fable?
should we not fable?
should you not fable?
should they not fable? 	should I not be fabling?
should you not be fabling?
should she not be fabling?
should we not be fabling?
should you not be fabling?
should they not be fabling? 	should I not have fabled?
should you not have fabled?
should she not have fabled?
should we not have fabled?
should you not have fabled?
should they not have fabled? 	should I not have been fabling?
should you not have been fabling?
should she not have been fabling?
should we not have been fabling?
should you not have been fabling?
should they not have been fabling?