I could gravel you could gravel she could gravel we could gravel you could gravel they could gravel
Forma com V-ing
I could be gravelling you could be gravelling she could be gravelling we could be gravelling you could be gravelling they could be gravelling
Perfeito
I could have gravelled you could have gravelled she could have gravelled we could have gravelled you could have gravelled they could have gravelled
Perfeito com V-ing
I could have been gravelling you could have been gravelling she could have been gravelling we could have been gravelling you could have been gravelling they could have been gravelling
Negação
Forma simple
I could not gravel you could not gravel she could not gravel we could not gravel you could not gravel they could not gravel
Forma com V-ing
I could not be gravelling you could not be gravelling she could not be gravelling we could not be gravelling you could not be gravelling they could not be gravelling
Perfeito
I could not have gravelled you could not have gravelled she could not have gravelled we could not have gravelled you could not have gravelled they could not have gravelled
Perfeito com V-ing
I could not have been gravelling you could not have been gravelling she could not have been gravelling we could not have been gravelling you could not have been gravelling they could not have been gravelling
Forma interrogativa
Forma simple
could I gravel? could you gravel? could she gravel? could we gravel? could you gravel? could they gravel?
Forma com V-ing
could I be gravelling? could you be gravelling? could she be gravelling? could we be gravelling? could you be gravelling? could they be gravelling?
Perfeito
could I have gravelled? could you have gravelled? could she have gravelled? could we have gravelled? could you have gravelled? could they have gravelled?
Perfeito com V-ing
could I have been gravelling? could you have been gravelling? could she have been gravelling? could we have been gravelling? could you have been gravelling? could they have been gravelling?
Forma interro-Negação
Forma simple
could I not gravel? could you not gravel? could she not gravel? could we not gravel? could you not gravel? could they not gravel?
Forma com V-ing
could I not be gravelling? could you not be gravelling? could she not be gravelling? could we not be gravelling? could you not be gravelling? could they not be gravelling?
Perfeito
could I not have gravelled? could you not have gravelled? could she not have gravelled? could we not have gravelled? could you not have gravelled? could they not have gravelled?
Perfeito com V-ing
could I not have been gravelling? could you not have been gravelling? could she not have been gravelling? could we not have been gravelling? could you not have been gravelling? could they not have been gravelling?