I can buzz you can buzz she can buzz we can buzz you can buzz they can buzz
Forma con V-ing
I can be buzzing you can be buzzing she can be buzzing we can be buzzing you can be buzzing they can be buzzing
Perfecto
I can have buzzed you can have buzzed she can have buzzed we can have buzzed you can have buzzed they can have buzzed
Perfecto con V-ing
I can have been buzzing you can have been buzzing she can have been buzzing we can have been buzzing you can have been buzzing they can have been buzzing
Negación
Forma simple
I can't buzz you can't buzz she can't buzz we can't buzz you can't buzz they can't buzz
Forma con V-ing
I can't be buzzing you can't be buzzing she can't be buzzing we can't be buzzing you can't be buzzing they can't be buzzing
Perfecto
I can't have buzzed you can't have buzzed she can't have buzzed we can't have buzzed you can't have buzzed they can't have buzzed
Perfecto con V-ing
I can't have been buzzing you can't have been buzzing she can't have been buzzing we can't have been buzzing you can't have been buzzing they can't have been buzzing
Forma interrogativa
Forma simple
can I buzz? can you buzz? can she buzz? can we buzz? can you buzz? can they buzz?
Forma con V-ing
can I be buzzing? can you be buzzing? can she be buzzing? can we be buzzing? can you be buzzing? can they be buzzing?
Perfecto
can I have buzzed? can you have buzzed? can she have buzzed? can we have buzzed? can you have buzzed? can they have buzzed?
Perfecto con V-ing
can I have been buzzing? can you have been buzzing? can she have been buzzing? can we have been buzzing? can you have been buzzing? can they have been buzzing?
Forma interro-negativa
Forma simple
can't I buzz? can't you buzz? can't she buzz? can't we buzz? can't you buzz? can't they buzz?
Forma con V-ing
can't I be buzzing? can't you be buzzing? can't she be buzzing? can't we be buzzing? can't you be buzzing? can't they be buzzing?
Perfecto
can't I have buzzed? can't you have buzzed? can't she have buzzed? can't we have buzzed? can't you have buzzed? can't they have buzzed?
Perfecto con V-ing
can't I have been buzzing? can't you have been buzzing? can't she have been buzzing? can't we have been buzzing? can't you have been buzzing? can't they have been buzzing?