I can bs you can bs she can bs we can bs you can bs they can bs
Forma con V-ing
I can be bsing you can be bsing she can be bsing we can be bsing you can be bsing they can be bsing
Perfecto
I can have bsed you can have bsed she can have bsed we can have bsed you can have bsed they can have bsed
Perfecto con V-ing
I can have been bsing you can have been bsing she can have been bsing we can have been bsing you can have been bsing they can have been bsing
Negación
Forma simple
I can't bs you can't bs she can't bs we can't bs you can't bs they can't bs
Forma con V-ing
I can't be bsing you can't be bsing she can't be bsing we can't be bsing you can't be bsing they can't be bsing
Perfecto
I can't have bsed you can't have bsed she can't have bsed we can't have bsed you can't have bsed they can't have bsed
Perfecto con V-ing
I can't have been bsing you can't have been bsing she can't have been bsing we can't have been bsing you can't have been bsing they can't have been bsing
Forma interrogativa
Forma simple
can I bs? can you bs? can she bs? can we bs? can you bs? can they bs?
Forma con V-ing
can I be bsing? can you be bsing? can she be bsing? can we be bsing? can you be bsing? can they be bsing?
Perfecto
can I have bsed? can you have bsed? can she have bsed? can we have bsed? can you have bsed? can they have bsed?
Perfecto con V-ing
can I have been bsing? can you have been bsing? can she have been bsing? can we have been bsing? can you have been bsing? can they have been bsing?
Forma interro-negativa
Forma simple
can't I bs? can't you bs? can't she bs? can't we bs? can't you bs? can't they bs?
Forma con V-ing
can't I be bsing? can't you be bsing? can't she be bsing? can't we be bsing? can't you be bsing? can't they be bsing?
Perfecto
can't I have bsed? can't you have bsed? can't she have bsed? can't we have bsed? can't you have bsed? can't they have bsed?
Perfecto con V-ing
can't I have been bsing? can't you have been bsing? can't she have been bsing? can't we have been bsing? can't you have been bsing? can't they have been bsing?