I can feed you can feed he can feed we can feed you can feed they can feed
Forma con V-ing
I can be feeding you can be feeding he can be feeding we can be feeding you can be feeding they can be feeding
Perfecto
I can have fed you can have fed he can have fed we can have fed you can have fed they can have fed
Perfecto con V-ing
I can have been feeding you can have been feeding he can have been feeding we can have been feeding you can have been feeding they can have been feeding
Negación
Forma simple
I can't feed you can't feed he can't feed we can't feed you can't feed they can't feed
Forma con V-ing
I can't be feeding you can't be feeding he can't be feeding we can't be feeding you can't be feeding they can't be feeding
Perfecto
I can't have fed you can't have fed he can't have fed we can't have fed you can't have fed they can't have fed
Perfecto con V-ing
I can't have been feeding you can't have been feeding he can't have been feeding we can't have been feeding you can't have been feeding they can't have been feeding
Forma interrogativa
Forma simple
can I feed? can you feed? can he feed? can we feed? can you feed? can they feed?
Forma con V-ing
can I be feeding? can you be feeding? can he be feeding? can we be feeding? can you be feeding? can they be feeding?
Perfecto
can I have fed? can you have fed? can he have fed? can we have fed? can you have fed? can they have fed?
Perfecto con V-ing
can I have been feeding? can you have been feeding? can he have been feeding? can we have been feeding? can you have been feeding? can they have been feeding?
Forma interro-negativa
Forma simple
can't I feed? can't you feed? can't he feed? can't we feed? can't you feed? can't they feed?
Forma con V-ing
can't I be feeding? can't you be feeding? can't he be feeding? can't we be feeding? can't you be feeding? can't they be feeding?
Perfecto
can't I have fed? can't you have fed? can't he have fed? can't we have fed? can't you have fed? can't they have fed?
Perfecto con V-ing
can't I have been feeding? can't you have been feeding? can't he have been feeding? can't we have been feeding? can't you have been feeding? can't they have been feeding?