Conjugação do verbo inglês
CAN KNOW

Verbo irregular: know - knew - known

Afirmação

Forma simple	Forma com V-ing
I can know you can know he can know we can know you can know they can know	I can be knowing you can be knowing he can be knowing we can be knowing you can be knowing they can be knowing
Perfeito	Perfeito com V-ing
I can have known you can have known he can have known we can have known you can have known they can have known	I can have been knowing you can have been knowing he can have been knowing we can have been knowing you can have been knowing they can have been knowing

Negação

Forma simple	Forma com V-ing
I can't know you can't know he can't know we can't know you can't know they can't know	I can't be knowing you can't be knowing he can't be knowing we can't be knowing you can't be knowing they can't be knowing
Perfeito	Perfeito com V-ing
I can't have known you can't have known he can't have known we can't have known you can't have known they can't have known	I can't have been knowing you can't have been knowing he can't have been knowing we can't have been knowing you can't have been knowing they can't have been knowing

Forma interrogativa

Forma simple	Forma com V-ing
can I know? can you know? can he know? can we know? can you know? can they know?	can I be knowing? can you be knowing? can he be knowing? can we be knowing? can you be knowing? can they be knowing?
Perfeito	Perfeito com V-ing
can I have known? can you have known? can he have known? can we have known? can you have known? can they have known?	can I have been knowing? can you have been knowing? can he have been knowing? can we have been knowing? can you have been knowing? can they have been knowing?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I know? can't you know? can't he know? can't we know? can't you know? can't they know?	can't I be knowing? can't you be knowing? can't he be knowing? can't we be knowing? can't you be knowing? can't they be knowing?
Perfeito	Perfeito com V-ing
can't I have known? can't you have known? can't he have known? can't we have known? can't you have known? can't they have known?	can't I have been knowing? can't you have been knowing? can't he have been knowing? can't we have been knowing? can't you have been knowing? can't they have been knowing?