Conjugação do verbo inglês
COULD ZERO

Verbo regular: zero - zeroed - zeroed

Afirmação

Forma simple	Forma com V-ing
I could zero you could zero he could zero we could zero you could zero they could zero	I could be zeroing you could be zeroing he could be zeroing we could be zeroing you could be zeroing they could be zeroing
Perfeito	Perfeito com V-ing
I could have zeroed you could have zeroed he could have zeroed we could have zeroed you could have zeroed they could have zeroed	I could have been zeroing you could have been zeroing he could have been zeroing we could have been zeroing you could have been zeroing they could have been zeroing

Negação

Forma simple	Forma com V-ing
I could not zero you could not zero he could not zero we could not zero you could not zero they could not zero	I could not be zeroing you could not be zeroing he could not be zeroing we could not be zeroing you could not be zeroing they could not be zeroing
Perfeito	Perfeito com V-ing
I could not have zeroed you could not have zeroed he could not have zeroed we could not have zeroed you could not have zeroed they could not have zeroed	I could not have been zeroing you could not have been zeroing he could not have been zeroing we could not have been zeroing you could not have been zeroing they could not have been zeroing

Forma interrogativa

Forma simple	Forma com V-ing
could I zero? could you zero? could he zero? could we zero? could you zero? could they zero?	could I be zeroing? could you be zeroing? could he be zeroing? could we be zeroing? could you be zeroing? could they be zeroing?
Perfeito	Perfeito com V-ing
could I have zeroed? could you have zeroed? could he have zeroed? could we have zeroed? could you have zeroed? could they have zeroed?	could I have been zeroing? could you have been zeroing? could he have been zeroing? could we have been zeroing? could you have been zeroing? could they have been zeroing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not zero? could you not zero? could he not zero? could we not zero? could you not zero? could they not zero?	could I not be zeroing? could you not be zeroing? could he not be zeroing? could we not be zeroing? could you not be zeroing? could they not be zeroing?
Perfeito	Perfeito com V-ing
could I not have zeroed? could you not have zeroed? could he not have zeroed? could we not have zeroed? could you not have zeroed? could they not have zeroed?	could I not have been zeroing? could you not have been zeroing? could he not have been zeroing? could we not have been zeroing? could you not have been zeroing? could they not have been zeroing?