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