should rub
Verbo regular: rub - rubbed- rubbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd rub
you'd rub
he'd rub
we'd rub
you'd rub
they'd rub 	I'd be rubbing
you'd be rubbing
he'd be rubbing
we'd be rubbing
you'd be rubbing
they'd be rubbing	I should've rubbed
you should've rubbed
he should've rubbed
we should've rubbed
you should've rubbed
they should've rubbed	I should've been rubbing
you should've been rubbing
he should've been rubbing
we should've been rubbing
you should've been rubbing
they should've been rubbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't rub
you shouldn't rub
he shouldn't rub
we shouldn't rub
you shouldn't rub
they shouldn't rub 	I shouldn't be rubbing
you shouldn't be rubbing
he shouldn't be rubbing
we shouldn't be rubbing
you shouldn't be rubbing
they shouldn't be rubbing	I shouldn't have rubbed
you shouldn't have rubbed
he shouldn't have rubbed
we shouldn't have rubbed
you shouldn't have rubbed
they shouldn't have rubbed	I shouldn't have been rubbing
you shouldn't have been rubbing
he shouldn't have been rubbing
we shouldn't have been rubbing
you shouldn't have been rubbing
they shouldn't have been rubbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I rub?
should you rub?
should he rub?
should we rub?
should you rub?
should they rub? 	should I be rubbing?
should you be rubbing?
should he be rubbing?
should we be rubbing?
should you be rubbing?
should they be rubbing? 	should I have rubbed?
should you have rubbed?
should he have rubbed?
should we have rubbed?
should you have rubbed?
should they have rubbed? 	should I have been rubbing?
should you have been rubbing?
should he have been rubbing?
should we have been rubbing?
should you have been rubbing?
should they have been rubbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I rub?
shouldn't you rub?
shouldn't he rub?
shouldn't we rub?
shouldn't you rub?
shouldn't they rub? 	shouldn't I be rubbing?
shouldn't you be rubbing?
shouldn't he be rubbing?
shouldn't we be rubbing?
shouldn't you be rubbing?
shouldn't they be rubbing? 	shouldn't I have rubbed?
shouldn't you have rubbed?
shouldn't he have rubbed?
shouldn't we have rubbed?
shouldn't you have rubbed?
shouldn't they have rubbed? 	shouldn't I have been rubbing?
shouldn't you have been rubbing?
shouldn't he have been rubbing?
shouldn't we have been rubbing?
shouldn't you have been rubbing?
shouldn't they have been rubbing?