Conjugação do verbo inglês
COULD INFEST

Verbo regular: infest - infested - infested

Afirmação

Forma simple	Forma com V-ing
I could infest you could infest he could infest we could infest you could infest they could infest	I could be infesting you could be infesting he could be infesting we could be infesting you could be infesting they could be infesting
Perfeito	Perfeito com V-ing
I could have infested you could have infested he could have infested we could have infested you could have infested they could have infested	I could have been infesting you could have been infesting he could have been infesting we could have been infesting you could have been infesting they could have been infesting

Negação

Forma simple	Forma com V-ing
I could not infest you could not infest he could not infest we could not infest you could not infest they could not infest	I could not be infesting you could not be infesting he could not be infesting we could not be infesting you could not be infesting they could not be infesting
Perfeito	Perfeito com V-ing
I could not have infested you could not have infested he could not have infested we could not have infested you could not have infested they could not have infested	I could not have been infesting you could not have been infesting he could not have been infesting we could not have been infesting you could not have been infesting they could not have been infesting

Forma interrogativa

Forma simple	Forma com V-ing
could I infest? could you infest? could he infest? could we infest? could you infest? could they infest?	could I be infesting? could you be infesting? could he be infesting? could we be infesting? could you be infesting? could they be infesting?
Perfeito	Perfeito com V-ing
could I have infested? could you have infested? could he have infested? could we have infested? could you have infested? could they have infested?	could I have been infesting? could you have been infesting? could he have been infesting? could we have been infesting? could you have been infesting? could they have been infesting?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not infest? could you not infest? could he not infest? could we not infest? could you not infest? could they not infest?	could I not be infesting? could you not be infesting? could he not be infesting? could we not be infesting? could you not be infesting? could they not be infesting?
Perfeito	Perfeito com V-ing
could I not have infested? could you not have infested? could he not have infested? could we not have infested? could you not have infested? could they not have infested?	could I not have been infesting? could you not have been infesting? could he not have been infesting? could we not have been infesting? could you not have been infesting? could they not have been infesting?