should abstract
Verbo regular: abstract - abstracted- abstracted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd abstract
you'd abstract
he'd abstract
we'd abstract
you'd abstract
they'd abstract 	I'd be abstracting
you'd be abstracting
he'd be abstracting
we'd be abstracting
you'd be abstracting
they'd be abstracting	I should've abstracted
you should've abstracted
he should've abstracted
we should've abstracted
you should've abstracted
they should've abstracted	I should've been abstracting
you should've been abstracting
he should've been abstracting
we should've been abstracting
you should've been abstracting
they should've been abstracting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't abstract
you shouldn't abstract
he shouldn't abstract
we shouldn't abstract
you shouldn't abstract
they shouldn't abstract 	I shouldn't be abstracting
you shouldn't be abstracting
he shouldn't be abstracting
we shouldn't be abstracting
you shouldn't be abstracting
they shouldn't be abstracting	I shouldn't have abstracted
you shouldn't have abstracted
he shouldn't have abstracted
we shouldn't have abstracted
you shouldn't have abstracted
they shouldn't have abstracted	I shouldn't have been abstracting
you shouldn't have been abstracting
he shouldn't have been abstracting
we shouldn't have been abstracting
you shouldn't have been abstracting
they shouldn't have been abstracting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I abstract?
should you abstract?
should he abstract?
should we abstract?
should you abstract?
should they abstract? 	should I be abstracting?
should you be abstracting?
should he be abstracting?
should we be abstracting?
should you be abstracting?
should they be abstracting? 	should I have abstracted?
should you have abstracted?
should he have abstracted?
should we have abstracted?
should you have abstracted?
should they have abstracted? 	should I have been abstracting?
should you have been abstracting?
should he have been abstracting?
should we have been abstracting?
should you have been abstracting?
should they have been abstracting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I abstract?
shouldn't you abstract?
shouldn't he abstract?
shouldn't we abstract?
shouldn't you abstract?
shouldn't they abstract? 	shouldn't I be abstracting?
shouldn't you be abstracting?
shouldn't he be abstracting?
shouldn't we be abstracting?
shouldn't you be abstracting?
shouldn't they be abstracting? 	shouldn't I have abstracted?
shouldn't you have abstracted?
shouldn't he have abstracted?
shouldn't we have abstracted?
shouldn't you have abstracted?
shouldn't they have abstracted? 	shouldn't I have been abstracting?
shouldn't you have been abstracting?
shouldn't he have been abstracting?
shouldn't we have been abstracting?
shouldn't you have been abstracting?
shouldn't they have been abstracting?