I can bs you can bs she can bs we can bs you can bs they can bs
Forma com 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
Perfeito
I can have bsed you can have bsed she can have bsed we can have bsed you can have bsed they can have bsed
Perfeito com 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
Negação
Forma simple
I cannot bs you cannot bs she cannot bs we cannot bs you cannot bs they cannot bs
Forma com V-ing
I cannot be bsing you cannot be bsing she cannot be bsing we cannot be bsing you cannot be bsing they cannot be bsing
Perfeito
I cannot have bsed you cannot have bsed she cannot have bsed we cannot have bsed you cannot have bsed they cannot have bsed
Perfeito com V-ing
I cannot have been bsing you cannot have been bsing she cannot have been bsing we cannot have been bsing you cannot have been bsing they cannot 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 com 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?
Perfeito
can I have bsed? can you have bsed? can she have bsed? can we have bsed? can you have bsed? can they have bsed?
Perfeito com 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-Negação
Forma simple
can I not bs? can you not bs? can she not bs? can we not bs? can you not bs? can they not bs?
Forma com V-ing
can I not be bsing? can you not be bsing? can she not be bsing? can we not be bsing? can you not be bsing? can they not be bsing?
Perfeito
can I not have bsed? can you not have bsed? can she not have bsed? can we not have bsed? can you not have bsed? can they not have bsed?
Perfeito com V-ing
can I not have been bsing? can you not have been bsing? can she not have been bsing? can we not have been bsing? can you not have been bsing? can they not have been bsing?