should ruff
Verbo regular: ruff - ruffed- ruffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd ruff
you'd ruff
he'd ruff
we'd ruff
you'd ruff
they'd ruff 	I'd be ruffing
you'd be ruffing
he'd be ruffing
we'd be ruffing
you'd be ruffing
they'd be ruffing	I should've ruffed
you should've ruffed
he should've ruffed
we should've ruffed
you should've ruffed
they should've ruffed	I should've been ruffing
you should've been ruffing
he should've been ruffing
we should've been ruffing
you should've been ruffing
they should've been ruffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't ruff
you shouldn't ruff
he shouldn't ruff
we shouldn't ruff
you shouldn't ruff
they shouldn't ruff 	I shouldn't be ruffing
you shouldn't be ruffing
he shouldn't be ruffing
we shouldn't be ruffing
you shouldn't be ruffing
they shouldn't be ruffing	I shouldn't have ruffed
you shouldn't have ruffed
he shouldn't have ruffed
we shouldn't have ruffed
you shouldn't have ruffed
they shouldn't have ruffed	I shouldn't have been ruffing
you shouldn't have been ruffing
he shouldn't have been ruffing
we shouldn't have been ruffing
you shouldn't have been ruffing
they shouldn't have been ruffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I ruff?
should you ruff?
should he ruff?
should we ruff?
should you ruff?
should they ruff? 	should I be ruffing?
should you be ruffing?
should he be ruffing?
should we be ruffing?
should you be ruffing?
should they be ruffing? 	should I have ruffed?
should you have ruffed?
should he have ruffed?
should we have ruffed?
should you have ruffed?
should they have ruffed? 	should I have been ruffing?
should you have been ruffing?
should he have been ruffing?
should we have been ruffing?
should you have been ruffing?
should they have been ruffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I ruff?
shouldn't you ruff?
shouldn't he ruff?
shouldn't we ruff?
shouldn't you ruff?
shouldn't they ruff? 	shouldn't I be ruffing?
shouldn't you be ruffing?
shouldn't he be ruffing?
shouldn't we be ruffing?
shouldn't you be ruffing?
shouldn't they be ruffing? 	shouldn't I have ruffed?
shouldn't you have ruffed?
shouldn't he have ruffed?
shouldn't we have ruffed?
shouldn't you have ruffed?
shouldn't they have ruffed? 	shouldn't I have been ruffing?
shouldn't you have been ruffing?
shouldn't he have been ruffing?
shouldn't we have been ruffing?
shouldn't you have been ruffing?
shouldn't they have been ruffing?