I can woof you can woof he can woof we can woof you can woof they can woof
Forma com V-ing
I can be woofing you can be woofing he can be woofing we can be woofing you can be woofing they can be woofing
Perfeito
I can have woofed you can have woofed he can have woofed we can have woofed you can have woofed they can have woofed
Perfeito com V-ing
I can have been woofing you can have been woofing he can have been woofing we can have been woofing you can have been woofing they can have been woofing
Negação
Forma simple
I can't woof you can't woof he can't woof we can't woof you can't woof they can't woof
Forma com V-ing
I can't be woofing you can't be woofing he can't be woofing we can't be woofing you can't be woofing they can't be woofing
Perfeito
I can't have woofed you can't have woofed he can't have woofed we can't have woofed you can't have woofed they can't have woofed
Perfeito com V-ing
I can't have been woofing you can't have been woofing he can't have been woofing we can't have been woofing you can't have been woofing they can't have been woofing
Forma interrogativa
Forma simple
can I woof? can you woof? can he woof? can we woof? can you woof? can they woof?
Forma com V-ing
can I be woofing? can you be woofing? can he be woofing? can we be woofing? can you be woofing? can they be woofing?
Perfeito
can I have woofed? can you have woofed? can he have woofed? can we have woofed? can you have woofed? can they have woofed?
Perfeito com V-ing
can I have been woofing? can you have been woofing? can he have been woofing? can we have been woofing? can you have been woofing? can they have been woofing?
Forma interro-Negação
Forma simple
can't I woof? can't you woof? can't he woof? can't we woof? can't you woof? can't they woof?
Forma com V-ing
can't I be woofing? can't you be woofing? can't he be woofing? can't we be woofing? can't you be woofing? can't they be woofing?
Perfeito
can't I have woofed? can't you have woofed? can't he have woofed? can't we have woofed? can't you have woofed? can't they have woofed?
Perfeito com V-ing
can't I have been woofing? can't you have been woofing? can't he have been woofing? can't we have been woofing? can't you have been woofing? can't they have been woofing?