Conjugação do verbo inglês
CAN SCUFF

Verbo regular: scuff - scuffed - scuffed

Afirmação

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

Negação

Forma simple	Forma com V-ing
I cannot scuff you cannot scuff he cannot scuff we cannot scuff you cannot scuff they cannot scuff	I cannot be scuffing you cannot be scuffing he cannot be scuffing we cannot be scuffing you cannot be scuffing they cannot be scuffing
Perfeito	Perfeito com V-ing
I cannot have scuffed you cannot have scuffed he cannot have scuffed we cannot have scuffed you cannot have scuffed they cannot have scuffed	I cannot have been scuffing you cannot have been scuffing he cannot have been scuffing we cannot have been scuffing you cannot have been scuffing they cannot have been scuffing

Forma interrogativa

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

Forma interro-Negação

Forma simple	Forma com V-ing
can I not scuff? can you not scuff? can he not scuff? can we not scuff? can you not scuff? can they not scuff?	can I not be scuffing? can you not be scuffing? can he not be scuffing? can we not be scuffing? can you not be scuffing? can they not be scuffing?
Perfeito	Perfeito com V-ing
can I not have scuffed? can you not have scuffed? can he not have scuffed? can we not have scuffed? can you not have scuffed? can they not have scuffed?	can I not have been scuffing? can you not have been scuffing? can he not have been scuffing? can we not have been scuffing? can you not have been scuffing? can they not have been scuffing?