should bark
Verbo regular: bark - barked- barked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd bark
you'd bark
he'd bark
we'd bark
you'd bark
they'd bark 	I'd be barking
you'd be barking
he'd be barking
we'd be barking
you'd be barking
they'd be barking	I should've barked
you should've barked
he should've barked
we should've barked
you should've barked
they should've barked	I should've been barking
you should've been barking
he should've been barking
we should've been barking
you should've been barking
they should've been barking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't bark
you shouldn't bark
he shouldn't bark
we shouldn't bark
you shouldn't bark
they shouldn't bark 	I shouldn't be barking
you shouldn't be barking
he shouldn't be barking
we shouldn't be barking
you shouldn't be barking
they shouldn't be barking	I shouldn't have barked
you shouldn't have barked
he shouldn't have barked
we shouldn't have barked
you shouldn't have barked
they shouldn't have barked	I shouldn't have been barking
you shouldn't have been barking
he shouldn't have been barking
we shouldn't have been barking
you shouldn't have been barking
they shouldn't have been barking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I bark?
should you bark?
should he bark?
should we bark?
should you bark?
should they bark? 	should I be barking?
should you be barking?
should he be barking?
should we be barking?
should you be barking?
should they be barking? 	should I have barked?
should you have barked?
should he have barked?
should we have barked?
should you have barked?
should they have barked? 	should I have been barking?
should you have been barking?
should he have been barking?
should we have been barking?
should you have been barking?
should they have been barking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I bark?
shouldn't you bark?
shouldn't he bark?
shouldn't we bark?
shouldn't you bark?
shouldn't they bark? 	shouldn't I be barking?
shouldn't you be barking?
shouldn't he be barking?
shouldn't we be barking?
shouldn't you be barking?
shouldn't they be barking? 	shouldn't I have barked?
shouldn't you have barked?
shouldn't he have barked?
shouldn't we have barked?
shouldn't you have barked?
shouldn't they have barked? 	shouldn't I have been barking?
shouldn't you have been barking?
shouldn't he have been barking?
shouldn't we have been barking?
shouldn't you have been barking?
shouldn't they have been barking?