Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I could staking you could staking he could staking we could staking you could staking they could staking
Forma com V-ing
I could be stakinging you could be stakinging he could be stakinging we could be stakinging you could be stakinging they could be stakinging
Perfeito
I could have stakinged you could have stakinged he could have stakinged we could have stakinged you could have stakinged they could have stakinged
Perfeito com V-ing
I could have been stakinging you could have been stakinging he could have been stakinging we could have been stakinging you could have been stakinging they could have been stakinging
Negação
Forma simple
I could not staking you could not staking he could not staking we could not staking you could not staking they could not staking
Forma com V-ing
I could not be stakinging you could not be stakinging he could not be stakinging we could not be stakinging you could not be stakinging they could not be stakinging
Perfeito
I could not have stakinged you could not have stakinged he could not have stakinged we could not have stakinged you could not have stakinged they could not have stakinged
Perfeito com V-ing
I could not have been stakinging you could not have been stakinging he could not have been stakinging we could not have been stakinging you could not have been stakinging they could not have been stakinging
Forma interrogativa
Forma simple
could I staking? could you staking? could he staking? could we staking? could you staking? could they staking?
Forma com V-ing
could I be stakinging? could you be stakinging? could he be stakinging? could we be stakinging? could you be stakinging? could they be stakinging?
Perfeito
could I have stakinged? could you have stakinged? could he have stakinged? could we have stakinged? could you have stakinged? could they have stakinged?
Perfeito com V-ing
could I have been stakinging? could you have been stakinging? could he have been stakinging? could we have been stakinging? could you have been stakinging? could they have been stakinging?
Forma interro-Negação
Forma simple
could I not staking? could you not staking? could he not staking? could we not staking? could you not staking? could they not staking?
Forma com V-ing
could I not be stakinging? could you not be stakinging? could he not be stakinging? could we not be stakinging? could you not be stakinging? could they not be stakinging?
Perfeito
could I not have stakinged? could you not have stakinged? could he not have stakinged? could we not have stakinged? could you not have stakinged? could they not have stakinged?
Perfeito com V-ing
could I not have been stakinging? could you not have been stakinging? could he not have been stakinging? could we not have been stakinging? could you not have been stakinging? could they not have been stakinging?