should discover
Verbo regular: discover - discovered- discovered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd discover
you'd discover
he'd discover
we'd discover
you'd discover
they'd discover 	I'd be discovering
you'd be discovering
he'd be discovering
we'd be discovering
you'd be discovering
they'd be discovering	I should've discovered
you should've discovered
he should've discovered
we should've discovered
you should've discovered
they should've discovered	I should've been discovering
you should've been discovering
he should've been discovering
we should've been discovering
you should've been discovering
they should've been discovering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't discover
you shouldn't discover
he shouldn't discover
we shouldn't discover
you shouldn't discover
they shouldn't discover 	I shouldn't be discovering
you shouldn't be discovering
he shouldn't be discovering
we shouldn't be discovering
you shouldn't be discovering
they shouldn't be discovering	I shouldn't have discovered
you shouldn't have discovered
he shouldn't have discovered
we shouldn't have discovered
you shouldn't have discovered
they shouldn't have discovered	I shouldn't have been discovering
you shouldn't have been discovering
he shouldn't have been discovering
we shouldn't have been discovering
you shouldn't have been discovering
they shouldn't have been discovering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I discover?
should you discover?
should he discover?
should we discover?
should you discover?
should they discover? 	should I be discovering?
should you be discovering?
should he be discovering?
should we be discovering?
should you be discovering?
should they be discovering? 	should I have discovered?
should you have discovered?
should he have discovered?
should we have discovered?
should you have discovered?
should they have discovered? 	should I have been discovering?
should you have been discovering?
should he have been discovering?
should we have been discovering?
should you have been discovering?
should they have been discovering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I discover?
shouldn't you discover?
shouldn't he discover?
shouldn't we discover?
shouldn't you discover?
shouldn't they discover? 	shouldn't I be discovering?
shouldn't you be discovering?
shouldn't he be discovering?
shouldn't we be discovering?
shouldn't you be discovering?
shouldn't they be discovering? 	shouldn't I have discovered?
shouldn't you have discovered?
shouldn't he have discovered?
shouldn't we have discovered?
shouldn't you have discovered?
shouldn't they have discovered? 	shouldn't I have been discovering?
shouldn't you have been discovering?
shouldn't he have been discovering?
shouldn't we have been discovering?
shouldn't you have been discovering?
shouldn't they have been discovering?