I could taper you could taper he could taper we could taper you could taper they could taper
Forma com V-ing
I could be tapering you could be tapering he could be tapering we could be tapering you could be tapering they could be tapering
Perfeito
I could have tapered you could have tapered he could have tapered we could have tapered you could have tapered they could have tapered
Perfeito com V-ing
I could have been tapering you could have been tapering he could have been tapering we could have been tapering you could have been tapering they could have been tapering
Negação
Forma simple
I could not taper you could not taper he could not taper we could not taper you could not taper they could not taper
Forma com V-ing
I could not be tapering you could not be tapering he could not be tapering we could not be tapering you could not be tapering they could not be tapering
Perfeito
I could not have tapered you could not have tapered he could not have tapered we could not have tapered you could not have tapered they could not have tapered
Perfeito com V-ing
I could not have been tapering you could not have been tapering he could not have been tapering we could not have been tapering you could not have been tapering they could not have been tapering
Forma interrogativa
Forma simple
could I taper? could you taper? could he taper? could we taper? could you taper? could they taper?
Forma com V-ing
could I be tapering? could you be tapering? could he be tapering? could we be tapering? could you be tapering? could they be tapering?
Perfeito
could I have tapered? could you have tapered? could he have tapered? could we have tapered? could you have tapered? could they have tapered?
Perfeito com V-ing
could I have been tapering? could you have been tapering? could he have been tapering? could we have been tapering? could you have been tapering? could they have been tapering?
Forma interro-Negação
Forma simple
could I not taper? could you not taper? could he not taper? could we not taper? could you not taper? could they not taper?
Forma com V-ing
could I not be tapering? could you not be tapering? could he not be tapering? could we not be tapering? could you not be tapering? could they not be tapering?
Perfeito
could I not have tapered? could you not have tapered? could he not have tapered? could we not have tapered? could you not have tapered? could they not have tapered?
Perfeito com V-ing
could I not have been tapering? could you not have been tapering? could he not have been tapering? could we not have been tapering? could you not have been tapering? could they not have been tapering?