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