Conjugação do verbo inglês
COULD CANCEL

Verbo regular: cancel - cancelled - cancelled

Afirmação

Forma simple	Forma com V-ing
I could cancel you could cancel he could cancel we could cancel you could cancel they could cancel	I could be cancelling you could be cancelling he could be cancelling we could be cancelling you could be cancelling they could be cancelling
Perfeito	Perfeito com V-ing
I could have cancelled you could have cancelled he could have cancelled we could have cancelled you could have cancelled they could have cancelled	I could have been cancelling you could have been cancelling he could have been cancelling we could have been cancelling you could have been cancelling they could have been cancelling

Negação

Forma simple	Forma com V-ing
I couldn't cancel you couldn't cancel he couldn't cancel we couldn't cancel you couldn't cancel they couldn't cancel	I couldn't be cancelling you couldn't be cancelling he couldn't be cancelling we couldn't be cancelling you couldn't be cancelling they couldn't be cancelling
Perfeito	Perfeito com V-ing
I couldn't have cancelled you couldn't have cancelled he couldn't have cancelled we couldn't have cancelled you couldn't have cancelled they couldn't have cancelled	I couldn't have been cancelling you couldn't have been cancelling he couldn't have been cancelling we couldn't have been cancelling you couldn't have been cancelling they couldn't have been cancelling

Forma interrogativa

Forma simple	Forma com V-ing
could I cancel? could you cancel? could he cancel? could we cancel? could you cancel? could they cancel?	could I be cancelling? could you be cancelling? could he be cancelling? could we be cancelling? could you be cancelling? could they be cancelling?
Perfeito	Perfeito com V-ing
could I have cancelled? could you have cancelled? could he have cancelled? could we have cancelled? could you have cancelled? could they have cancelled?	could I have been cancelling? could you have been cancelling? could he have been cancelling? could we have been cancelling? could you have been cancelling? could they have been cancelling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I cancel? couldn't you cancel? couldn't he cancel? couldn't we cancel? couldn't you cancel? couldn't they cancel?	couldn't I be cancelling? couldn't you be cancelling? couldn't he be cancelling? couldn't we be cancelling? couldn't you be cancelling? couldn't they be cancelling?
Perfeito	Perfeito com V-ing
couldn't I have cancelled? couldn't you have cancelled? couldn't he have cancelled? couldn't we have cancelled? couldn't you have cancelled? couldn't they have cancelled?	couldn't I have been cancelling? couldn't you have been cancelling? couldn't he have been cancelling? couldn't we have been cancelling? couldn't you have been cancelling? couldn't they have been cancelling?