Conjugação do verbo inglês
COULD APPERTAIN

Verbo regular: appertain - appertained - appertained

Afirmação

Forma simple	Forma com V-ing
I could appertain you could appertain he could appertain we could appertain you could appertain they could appertain	I could be appertaining you could be appertaining he could be appertaining we could be appertaining you could be appertaining they could be appertaining
Perfeito	Perfeito com V-ing
I could have appertained you could have appertained he could have appertained we could have appertained you could have appertained they could have appertained	I could have been appertaining you could have been appertaining he could have been appertaining we could have been appertaining you could have been appertaining they could have been appertaining

Negação

Forma simple	Forma com V-ing
I could not appertain you could not appertain he could not appertain we could not appertain you could not appertain they could not appertain	I could not be appertaining you could not be appertaining he could not be appertaining we could not be appertaining you could not be appertaining they could not be appertaining
Perfeito	Perfeito com V-ing
I could not have appertained you could not have appertained he could not have appertained we could not have appertained you could not have appertained they could not have appertained	I could not have been appertaining you could not have been appertaining he could not have been appertaining we could not have been appertaining you could not have been appertaining they could not have been appertaining

Forma interrogativa

Forma simple	Forma com V-ing
could I appertain? could you appertain? could he appertain? could we appertain? could you appertain? could they appertain?	could I be appertaining? could you be appertaining? could he be appertaining? could we be appertaining? could you be appertaining? could they be appertaining?
Perfeito	Perfeito com V-ing
could I have appertained? could you have appertained? could he have appertained? could we have appertained? could you have appertained? could they have appertained?	could I have been appertaining? could you have been appertaining? could he have been appertaining? could we have been appertaining? could you have been appertaining? could they have been appertaining?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not appertain? could you not appertain? could he not appertain? could we not appertain? could you not appertain? could they not appertain?	could I not be appertaining? could you not be appertaining? could he not be appertaining? could we not be appertaining? could you not be appertaining? could they not be appertaining?
Perfeito	Perfeito com V-ing
could I not have appertained? could you not have appertained? could he not have appertained? could we not have appertained? could you not have appertained? could they not have appertained?	could I not have been appertaining? could you not have been appertaining? could he not have been appertaining? could we not have been appertaining? could you not have been appertaining? could they not have been appertaining?