Conjugação do verbo inglês
CAN BARK

Verbo regular: bark - barked - barked

Afirmação

Forma simple	Forma com V-ing
I can bark you can bark he can bark we can bark you can bark they can bark	I can be barking you can be barking he can be barking we can be barking you can be barking they can be barking
Perfeito	Perfeito com V-ing
I can have barked you can have barked he can have barked we can have barked you can have barked they can have barked	I can have been barking you can have been barking he can have been barking we can have been barking you can have been barking they can have been barking

Negação

Forma simple	Forma com V-ing
I can't bark you can't bark he can't bark we can't bark you can't bark they can't bark	I can't be barking you can't be barking he can't be barking we can't be barking you can't be barking they can't be barking
Perfeito	Perfeito com V-ing
I can't have barked you can't have barked he can't have barked we can't have barked you can't have barked they can't have barked	I can't have been barking you can't have been barking he can't have been barking we can't have been barking you can't have been barking they can't have been barking

Forma interrogativa

Forma simple	Forma com V-ing
can I bark? can you bark? can he bark? can we bark? can you bark? can they bark?	can I be barking? can you be barking? can he be barking? can we be barking? can you be barking? can they be barking?
Perfeito	Perfeito com V-ing
can I have barked? can you have barked? can he have barked? can we have barked? can you have barked? can they have barked?	can I have been barking? can you have been barking? can he have been barking? can we have been barking? can you have been barking? can they have been barking?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I bark? can't you bark? can't he bark? can't we bark? can't you bark? can't they bark?	can't I be barking? can't you be barking? can't he be barking? can't we be barking? can't you be barking? can't they be barking?
Perfeito	Perfeito com V-ing
can't I have barked? can't you have barked? can't he have barked? can't we have barked? can't you have barked? can't they have barked?	can't I have been barking? can't you have been barking? can't he have been barking? can't we have been barking? can't you have been barking? can't they have been barking?