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