I can well you can well he can well we can well you can well they can well
Forma con V-ing
I can be welling you can be welling he can be welling we can be welling you can be welling they can be welling
Perfecto
I can have welled you can have welled he can have welled we can have welled you can have welled they can have welled
Perfecto con V-ing
I can have been welling you can have been welling he can have been welling we can have been welling you can have been welling they can have been welling
Negación
Forma simple
I can't well you can't well he can't well we can't well you can't well they can't well
Forma con V-ing
I can't be welling you can't be welling he can't be welling we can't be welling you can't be welling they can't be welling
Perfecto
I can't have welled you can't have welled he can't have welled we can't have welled you can't have welled they can't have welled
Perfecto con V-ing
I can't have been welling you can't have been welling he can't have been welling we can't have been welling you can't have been welling they can't have been welling
Forma interrogativa
Forma simple
can I well? can you well? can he well? can we well? can you well? can they well?
Forma con V-ing
can I be welling? can you be welling? can he be welling? can we be welling? can you be welling? can they be welling?
Perfecto
can I have welled? can you have welled? can he have welled? can we have welled? can you have welled? can they have welled?
Perfecto con V-ing
can I have been welling? can you have been welling? can he have been welling? can we have been welling? can you have been welling? can they have been welling?
Forma interro-negativa
Forma simple
can't I well? can't you well? can't he well? can't we well? can't you well? can't they well?
Forma con V-ing
can't I be welling? can't you be welling? can't he be welling? can't we be welling? can't you be welling? can't they be welling?
Perfecto
can't I have welled? can't you have welled? can't he have welled? can't we have welled? can't you have welled? can't they have welled?
Perfecto con V-ing
can't I have been welling? can't you have been welling? can't he have been welling? can't we have been welling? can't you have been welling? can't they have been welling?