Conjugação do verbo inglês
COULD GUESS

Verbo regular: guess - guessed - guessed

Afirmação

Forma simple	Forma com V-ing
I could guess you could guess he could guess we could guess you could guess they could guess	I could be guessing you could be guessing he could be guessing we could be guessing you could be guessing they could be guessing
Perfeito	Perfeito com V-ing
I could have guessed you could have guessed he could have guessed we could have guessed you could have guessed they could have guessed	I could have been guessing you could have been guessing he could have been guessing we could have been guessing you could have been guessing they could have been guessing

Negação

Forma simple	Forma com V-ing
I could not guess you could not guess he could not guess we could not guess you could not guess they could not guess	I could not be guessing you could not be guessing he could not be guessing we could not be guessing you could not be guessing they could not be guessing
Perfeito	Perfeito com V-ing
I could not have guessed you could not have guessed he could not have guessed we could not have guessed you could not have guessed they could not have guessed	I could not have been guessing you could not have been guessing he could not have been guessing we could not have been guessing you could not have been guessing they could not have been guessing

Forma interrogativa

Forma simple	Forma com V-ing
could I guess? could you guess? could he guess? could we guess? could you guess? could they guess?	could I be guessing? could you be guessing? could he be guessing? could we be guessing? could you be guessing? could they be guessing?
Perfeito	Perfeito com V-ing
could I have guessed? could you have guessed? could he have guessed? could we have guessed? could you have guessed? could they have guessed?	could I have been guessing? could you have been guessing? could he have been guessing? could we have been guessing? could you have been guessing? could they have been guessing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not guess? could you not guess? could he not guess? could we not guess? could you not guess? could they not guess?	could I not be guessing? could you not be guessing? could he not be guessing? could we not be guessing? could you not be guessing? could they not be guessing?
Perfeito	Perfeito com V-ing
could I not have guessed? could you not have guessed? could he not have guessed? could we not have guessed? could you not have guessed? could they not have guessed?	could I not have been guessing? could you not have been guessing? could he not have been guessing? could we not have been guessing? could you not have been guessing? could they not have been guessing?