should focus
Verbo regular: focus - focused- focused

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd focus
you'd focus
he'd focus
we'd focus
you'd focus
they'd focus 	I'd be focusing
you'd be focusing
he'd be focusing
we'd be focusing
you'd be focusing
they'd be focusing	I should've focused
you should've focused
he should've focused
we should've focused
you should've focused
they should've focused	I should've been focusing
you should've been focusing
he should've been focusing
we should've been focusing
you should've been focusing
they should've been focusing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't focus
you shouldn't focus
he shouldn't focus
we shouldn't focus
you shouldn't focus
they shouldn't focus 	I shouldn't be focusing
you shouldn't be focusing
he shouldn't be focusing
we shouldn't be focusing
you shouldn't be focusing
they shouldn't be focusing	I shouldn't have focused
you shouldn't have focused
he shouldn't have focused
we shouldn't have focused
you shouldn't have focused
they shouldn't have focused	I shouldn't have been focusing
you shouldn't have been focusing
he shouldn't have been focusing
we shouldn't have been focusing
you shouldn't have been focusing
they shouldn't have been focusing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I focus?
should you focus?
should he focus?
should we focus?
should you focus?
should they focus? 	should I be focusing?
should you be focusing?
should he be focusing?
should we be focusing?
should you be focusing?
should they be focusing? 	should I have focused?
should you have focused?
should he have focused?
should we have focused?
should you have focused?
should they have focused? 	should I have been focusing?
should you have been focusing?
should he have been focusing?
should we have been focusing?
should you have been focusing?
should they have been focusing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I focus?
shouldn't you focus?
shouldn't he focus?
shouldn't we focus?
shouldn't you focus?
shouldn't they focus? 	shouldn't I be focusing?
shouldn't you be focusing?
shouldn't he be focusing?
shouldn't we be focusing?
shouldn't you be focusing?
shouldn't they be focusing? 	shouldn't I have focused?
shouldn't you have focused?
shouldn't he have focused?
shouldn't we have focused?
shouldn't you have focused?
shouldn't they have focused? 	shouldn't I have been focusing?
shouldn't you have been focusing?
shouldn't he have been focusing?
shouldn't we have been focusing?
shouldn't you have been focusing?
shouldn't they have been focusing?