I could shoulder you could shoulder he could shoulder we could shoulder you could shoulder they could shoulder
Forma con V-ing
I could be shouldering you could be shouldering he could be shouldering we could be shouldering you could be shouldering they could be shouldering
Perfecto
I could have shouldered you could have shouldered he could have shouldered we could have shouldered you could have shouldered they could have shouldered
Perfecto con V-ing
I could have been shouldering you could have been shouldering he could have been shouldering we could have been shouldering you could have been shouldering they could have been shouldering
Negación
Forma simple
I couldn't shoulder you couldn't shoulder he couldn't shoulder we couldn't shoulder you couldn't shoulder they couldn't shoulder
Forma con V-ing
I couldn't be shouldering you couldn't be shouldering he couldn't be shouldering we couldn't be shouldering you couldn't be shouldering they couldn't be shouldering
Perfecto
I couldn't have shouldered you couldn't have shouldered he couldn't have shouldered we couldn't have shouldered you couldn't have shouldered they couldn't have shouldered
Perfecto con V-ing
I couldn't have been shouldering you couldn't have been shouldering he couldn't have been shouldering we couldn't have been shouldering you couldn't have been shouldering they couldn't have been shouldering
Forma interrogativa
Forma simple
could I shoulder? could you shoulder? could he shoulder? could we shoulder? could you shoulder? could they shoulder?
Forma con V-ing
could I be shouldering? could you be shouldering? could he be shouldering? could we be shouldering? could you be shouldering? could they be shouldering?
Perfecto
could I have shouldered? could you have shouldered? could he have shouldered? could we have shouldered? could you have shouldered? could they have shouldered?
Perfecto con V-ing
could I have been shouldering? could you have been shouldering? could he have been shouldering? could we have been shouldering? could you have been shouldering? could they have been shouldering?
Forma interro-negativa
Forma simple
couldn't I shoulder? couldn't you shoulder? couldn't he shoulder? couldn't we shoulder? couldn't you shoulder? couldn't they shoulder?
Forma con V-ing
couldn't I be shouldering? couldn't you be shouldering? couldn't he be shouldering? couldn't we be shouldering? couldn't you be shouldering? couldn't they be shouldering?
Perfecto
couldn't I have shouldered? couldn't you have shouldered? couldn't he have shouldered? couldn't we have shouldered? couldn't you have shouldered? couldn't they have shouldered?
Perfecto con V-ing
couldn't I have been shouldering? couldn't you have been shouldering? couldn't he have been shouldering? couldn't we have been shouldering? couldn't you have been shouldering? couldn't they have been shouldering?