I can haven you can haven he can haven we can haven you can haven they can haven
Forma con V-ing
I can be havening you can be havening he can be havening we can be havening you can be havening they can be havening
Perfecto
I can have havened you can have havened he can have havened we can have havened you can have havened they can have havened
Perfecto con V-ing
I can have been havening you can have been havening he can have been havening we can have been havening you can have been havening they can have been havening
Negación
Forma simple
I can't haven you can't haven he can't haven we can't haven you can't haven they can't haven
Forma con V-ing
I can't be havening you can't be havening he can't be havening we can't be havening you can't be havening they can't be havening
Perfecto
I can't have havened you can't have havened he can't have havened we can't have havened you can't have havened they can't have havened
Perfecto con V-ing
I can't have been havening you can't have been havening he can't have been havening we can't have been havening you can't have been havening they can't have been havening
Forma interrogativa
Forma simple
can I haven? can you haven? can he haven? can we haven? can you haven? can they haven?
Forma con V-ing
can I be havening? can you be havening? can he be havening? can we be havening? can you be havening? can they be havening?
Perfecto
can I have havened? can you have havened? can he have havened? can we have havened? can you have havened? can they have havened?
Perfecto con V-ing
can I have been havening? can you have been havening? can he have been havening? can we have been havening? can you have been havening? can they have been havening?
Forma interro-negativa
Forma simple
can't I haven? can't you haven? can't he haven? can't we haven? can't you haven? can't they haven?
Forma con V-ing
can't I be havening? can't you be havening? can't he be havening? can't we be havening? can't you be havening? can't they be havening?
Perfecto
can't I have havened? can't you have havened? can't he have havened? can't we have havened? can't you have havened? can't they have havened?
Perfecto con V-ing
can't I have been havening? can't you have been havening? can't he have been havening? can't we have been havening? can't you have been havening? can't they have been havening?