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