should scuff
Verbo regular: scuff - scuffed- scuffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd scuff
you'd scuff
he'd scuff
we'd scuff
you'd scuff
they'd scuff 	I'd be scuffing
you'd be scuffing
he'd be scuffing
we'd be scuffing
you'd be scuffing
they'd be scuffing	I should've scuffed
you should've scuffed
he should've scuffed
we should've scuffed
you should've scuffed
they should've scuffed	I should've been scuffing
you should've been scuffing
he should've been scuffing
we should've been scuffing
you should've been scuffing
they should've been scuffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't scuff
you shouldn't scuff
he shouldn't scuff
we shouldn't scuff
you shouldn't scuff
they shouldn't scuff 	I shouldn't be scuffing
you shouldn't be scuffing
he shouldn't be scuffing
we shouldn't be scuffing
you shouldn't be scuffing
they shouldn't be scuffing	I shouldn't have scuffed
you shouldn't have scuffed
he shouldn't have scuffed
we shouldn't have scuffed
you shouldn't have scuffed
they shouldn't have scuffed	I shouldn't have been scuffing
you shouldn't have been scuffing
he shouldn't have been scuffing
we shouldn't have been scuffing
you shouldn't have been scuffing
they shouldn't have been scuffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I scuff?
should you scuff?
should he scuff?
should we scuff?
should you scuff?
should they scuff? 	should I be scuffing?
should you be scuffing?
should he be scuffing?
should we be scuffing?
should you be scuffing?
should they be scuffing? 	should I have scuffed?
should you have scuffed?
should he have scuffed?
should we have scuffed?
should you have scuffed?
should they have scuffed? 	should I have been scuffing?
should you have been scuffing?
should he have been scuffing?
should we have been scuffing?
should you have been scuffing?
should they have been scuffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I scuff?
shouldn't you scuff?
shouldn't he scuff?
shouldn't we scuff?
shouldn't you scuff?
shouldn't they scuff? 	shouldn't I be scuffing?
shouldn't you be scuffing?
shouldn't he be scuffing?
shouldn't we be scuffing?
shouldn't you be scuffing?
shouldn't they be scuffing? 	shouldn't I have scuffed?
shouldn't you have scuffed?
shouldn't he have scuffed?
shouldn't we have scuffed?
shouldn't you have scuffed?
shouldn't they have scuffed? 	shouldn't I have been scuffing?
shouldn't you have been scuffing?
shouldn't he have been scuffing?
shouldn't we have been scuffing?
shouldn't you have been scuffing?
shouldn't they have been scuffing?