I could waltz you could waltz he could waltz we could waltz you could waltz they could waltz
Forma com V-ing
I could be waltzing you could be waltzing he could be waltzing we could be waltzing you could be waltzing they could be waltzing
Perfeito
I could have waltzed you could have waltzed he could have waltzed we could have waltzed you could have waltzed they could have waltzed
Perfeito com V-ing
I could have been waltzing you could have been waltzing he could have been waltzing we could have been waltzing you could have been waltzing they could have been waltzing
Negação
Forma simple
I could not waltz you could not waltz he could not waltz we could not waltz you could not waltz they could not waltz
Forma com V-ing
I could not be waltzing you could not be waltzing he could not be waltzing we could not be waltzing you could not be waltzing they could not be waltzing
Perfeito
I could not have waltzed you could not have waltzed he could not have waltzed we could not have waltzed you could not have waltzed they could not have waltzed
Perfeito com V-ing
I could not have been waltzing you could not have been waltzing he could not have been waltzing we could not have been waltzing you could not have been waltzing they could not have been waltzing
Forma interrogativa
Forma simple
could I waltz? could you waltz? could he waltz? could we waltz? could you waltz? could they waltz?
Forma com V-ing
could I be waltzing? could you be waltzing? could he be waltzing? could we be waltzing? could you be waltzing? could they be waltzing?
Perfeito
could I have waltzed? could you have waltzed? could he have waltzed? could we have waltzed? could you have waltzed? could they have waltzed?
Perfeito com V-ing
could I have been waltzing? could you have been waltzing? could he have been waltzing? could we have been waltzing? could you have been waltzing? could they have been waltzing?
Forma interro-Negação
Forma simple
could I not waltz? could you not waltz? could he not waltz? could we not waltz? could you not waltz? could they not waltz?
Forma com V-ing
could I not be waltzing? could you not be waltzing? could he not be waltzing? could we not be waltzing? could you not be waltzing? could they not be waltzing?
Perfeito
could I not have waltzed? could you not have waltzed? could he not have waltzed? could we not have waltzed? could you not have waltzed? could they not have waltzed?
Perfeito com V-ing
could I not have been waltzing? could you not have been waltzing? could he not have been waltzing? could we not have been waltzing? could you not have been waltzing? could they not have been waltzing?