should discern
Verbo regular: discern - discerned- discerned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd discern
you'd discern
he'd discern
we'd discern
you'd discern
they'd discern 	I'd be discerning
you'd be discerning
he'd be discerning
we'd be discerning
you'd be discerning
they'd be discerning	I should've discerned
you should've discerned
he should've discerned
we should've discerned
you should've discerned
they should've discerned	I should've been discerning
you should've been discerning
he should've been discerning
we should've been discerning
you should've been discerning
they should've been discerning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't discern
you shouldn't discern
he shouldn't discern
we shouldn't discern
you shouldn't discern
they shouldn't discern 	I shouldn't be discerning
you shouldn't be discerning
he shouldn't be discerning
we shouldn't be discerning
you shouldn't be discerning
they shouldn't be discerning	I shouldn't have discerned
you shouldn't have discerned
he shouldn't have discerned
we shouldn't have discerned
you shouldn't have discerned
they shouldn't have discerned	I shouldn't have been discerning
you shouldn't have been discerning
he shouldn't have been discerning
we shouldn't have been discerning
you shouldn't have been discerning
they shouldn't have been discerning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I discern?
should you discern?
should he discern?
should we discern?
should you discern?
should they discern? 	should I be discerning?
should you be discerning?
should he be discerning?
should we be discerning?
should you be discerning?
should they be discerning? 	should I have discerned?
should you have discerned?
should he have discerned?
should we have discerned?
should you have discerned?
should they have discerned? 	should I have been discerning?
should you have been discerning?
should he have been discerning?
should we have been discerning?
should you have been discerning?
should they have been discerning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I discern?
shouldn't you discern?
shouldn't he discern?
shouldn't we discern?
shouldn't you discern?
shouldn't they discern? 	shouldn't I be discerning?
shouldn't you be discerning?
shouldn't he be discerning?
shouldn't we be discerning?
shouldn't you be discerning?
shouldn't they be discerning? 	shouldn't I have discerned?
shouldn't you have discerned?
shouldn't he have discerned?
shouldn't we have discerned?
shouldn't you have discerned?
shouldn't they have discerned? 	shouldn't I have been discerning?
shouldn't you have been discerning?
shouldn't he have been discerning?
shouldn't we have been discerning?
shouldn't you have been discerning?
shouldn't they have been discerning?