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