I can aid you can aid he can aid we can aid you can aid they can aid
Forma con V-ing
I can be aiding you can be aiding he can be aiding we can be aiding you can be aiding they can be aiding
Perfecto
I can have aided you can have aided he can have aided we can have aided you can have aided they can have aided
Perfecto con V-ing
I can have been aiding you can have been aiding he can have been aiding we can have been aiding you can have been aiding they can have been aiding
Negación
Forma simple
I can't aid you can't aid he can't aid we can't aid you can't aid they can't aid
Forma con V-ing
I can't be aiding you can't be aiding he can't be aiding we can't be aiding you can't be aiding they can't be aiding
Perfecto
I can't have aided you can't have aided he can't have aided we can't have aided you can't have aided they can't have aided
Perfecto con V-ing
I can't have been aiding you can't have been aiding he can't have been aiding we can't have been aiding you can't have been aiding they can't have been aiding
Forma interrogativa
Forma simple
can I aid? can you aid? can he aid? can we aid? can you aid? can they aid?
Forma con V-ing
can I be aiding? can you be aiding? can he be aiding? can we be aiding? can you be aiding? can they be aiding?
Perfecto
can I have aided? can you have aided? can he have aided? can we have aided? can you have aided? can they have aided?
Perfecto con V-ing
can I have been aiding? can you have been aiding? can he have been aiding? can we have been aiding? can you have been aiding? can they have been aiding?
Forma interro-negativa
Forma simple
can't I aid? can't you aid? can't he aid? can't we aid? can't you aid? can't they aid?
Forma con V-ing
can't I be aiding? can't you be aiding? can't he be aiding? can't we be aiding? can't you be aiding? can't they be aiding?
Perfecto
can't I have aided? can't you have aided? can't he have aided? can't we have aided? can't you have aided? can't they have aided?
Perfecto con V-ing
can't I have been aiding? can't you have been aiding? can't he have been aiding? can't we have been aiding? can't you have been aiding? can't they have been aiding?