Verbo regular: volunteer - volunteered - volunteered
Afirmación
Forma simple
I could volunteer you could volunteer he could volunteer we could volunteer you could volunteer they could volunteer
Forma con V-ing
I could be volunteering you could be volunteering he could be volunteering we could be volunteering you could be volunteering they could be volunteering
Perfecto
I could have volunteered you could have volunteered he could have volunteered we could have volunteered you could have volunteered they could have volunteered
Perfecto con V-ing
I could have been volunteering you could have been volunteering he could have been volunteering we could have been volunteering you could have been volunteering they could have been volunteering
Negación
Forma simple
I could not volunteer you could not volunteer he could not volunteer we could not volunteer you could not volunteer they could not volunteer
Forma con V-ing
I could not be volunteering you could not be volunteering he could not be volunteering we could not be volunteering you could not be volunteering they could not be volunteering
Perfecto
I could not have volunteered you could not have volunteered he could not have volunteered we could not have volunteered you could not have volunteered they could not have volunteered
Perfecto con V-ing
I could not have been volunteering you could not have been volunteering he could not have been volunteering we could not have been volunteering you could not have been volunteering they could not have been volunteering
Forma interrogativa
Forma simple
could I volunteer? could you volunteer? could he volunteer? could we volunteer? could you volunteer? could they volunteer?
Forma con V-ing
could I be volunteering? could you be volunteering? could he be volunteering? could we be volunteering? could you be volunteering? could they be volunteering?
Perfecto
could I have volunteered? could you have volunteered? could he have volunteered? could we have volunteered? could you have volunteered? could they have volunteered?
Perfecto con V-ing
could I have been volunteering? could you have been volunteering? could he have been volunteering? could we have been volunteering? could you have been volunteering? could they have been volunteering?
Forma interro-negativa
Forma simple
could I not volunteer? could you not volunteer? could he not volunteer? could we not volunteer? could you not volunteer? could they not volunteer?
Forma con V-ing
could I not be volunteering? could you not be volunteering? could he not be volunteering? could we not be volunteering? could you not be volunteering? could they not be volunteering?
Perfecto
could I not have volunteered? could you not have volunteered? could he not have volunteered? could we not have volunteered? could you not have volunteered? could they not have volunteered?
Perfecto con V-ing
could I not have been volunteering? could you not have been volunteering? could he not have been volunteering? could we not have been volunteering? could you not have been volunteering? could they not have been volunteering?