Conjugação do verbo inglês
COULD INFECT

Verbo regular: infect - infected - infected

Afirmação

Forma simple	Forma com V-ing
I could infect you could infect he could infect we could infect you could infect they could infect	I could be infecting you could be infecting he could be infecting we could be infecting you could be infecting they could be infecting
Perfeito	Perfeito com V-ing
I could have infected you could have infected he could have infected we could have infected you could have infected they could have infected	I could have been infecting you could have been infecting he could have been infecting we could have been infecting you could have been infecting they could have been infecting

Negação

Forma simple	Forma com V-ing
I could not infect you could not infect he could not infect we could not infect you could not infect they could not infect	I could not be infecting you could not be infecting he could not be infecting we could not be infecting you could not be infecting they could not be infecting
Perfeito	Perfeito com V-ing
I could not have infected you could not have infected he could not have infected we could not have infected you could not have infected they could not have infected	I could not have been infecting you could not have been infecting he could not have been infecting we could not have been infecting you could not have been infecting they could not have been infecting

Forma interrogativa

Forma simple	Forma com V-ing
could I infect? could you infect? could he infect? could we infect? could you infect? could they infect?	could I be infecting? could you be infecting? could he be infecting? could we be infecting? could you be infecting? could they be infecting?
Perfeito	Perfeito com V-ing
could I have infected? could you have infected? could he have infected? could we have infected? could you have infected? could they have infected?	could I have been infecting? could you have been infecting? could he have been infecting? could we have been infecting? could you have been infecting? could they have been infecting?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not infect? could you not infect? could he not infect? could we not infect? could you not infect? could they not infect?	could I not be infecting? could you not be infecting? could he not be infecting? could we not be infecting? could you not be infecting? could they not be infecting?
Perfeito	Perfeito com V-ing
could I not have infected? could you not have infected? could he not have infected? could we not have infected? could you not have infected? could they not have infected?	could I not have been infecting? could you not have been infecting? could he not have been infecting? could we not have been infecting? could you not have been infecting? could they not have been infecting?