I can keyboard you can keyboard he can keyboard we can keyboard you can keyboard they can keyboard
Forma con V-ing
I can be keyboarding you can be keyboarding he can be keyboarding we can be keyboarding you can be keyboarding they can be keyboarding
Perfecto
I can have keyboarded you can have keyboarded he can have keyboarded we can have keyboarded you can have keyboarded they can have keyboarded
Perfecto con V-ing
I can have been keyboarding you can have been keyboarding he can have been keyboarding we can have been keyboarding you can have been keyboarding they can have been keyboarding
Negación
Forma simple
I can't keyboard you can't keyboard he can't keyboard we can't keyboard you can't keyboard they can't keyboard
Forma con V-ing
I can't be keyboarding you can't be keyboarding he can't be keyboarding we can't be keyboarding you can't be keyboarding they can't be keyboarding
Perfecto
I can't have keyboarded you can't have keyboarded he can't have keyboarded we can't have keyboarded you can't have keyboarded they can't have keyboarded
Perfecto con V-ing
I can't have been keyboarding you can't have been keyboarding he can't have been keyboarding we can't have been keyboarding you can't have been keyboarding they can't have been keyboarding
Forma interrogativa
Forma simple
can I keyboard? can you keyboard? can he keyboard? can we keyboard? can you keyboard? can they keyboard?
Forma con V-ing
can I be keyboarding? can you be keyboarding? can he be keyboarding? can we be keyboarding? can you be keyboarding? can they be keyboarding?
Perfecto
can I have keyboarded? can you have keyboarded? can he have keyboarded? can we have keyboarded? can you have keyboarded? can they have keyboarded?
Perfecto con V-ing
can I have been keyboarding? can you have been keyboarding? can he have been keyboarding? can we have been keyboarding? can you have been keyboarding? can they have been keyboarding?
Forma interro-negativa
Forma simple
can't I keyboard? can't you keyboard? can't he keyboard? can't we keyboard? can't you keyboard? can't they keyboard?
Forma con V-ing
can't I be keyboarding? can't you be keyboarding? can't he be keyboarding? can't we be keyboarding? can't you be keyboarding? can't they be keyboarding?
Perfecto
can't I have keyboarded? can't you have keyboarded? can't he have keyboarded? can't we have keyboarded? can't you have keyboarded? can't they have keyboarded?
Perfecto con V-ing
can't I have been keyboarding? can't you have been keyboarding? can't he have been keyboarding? can't we have been keyboarding? can't you have been keyboarding? can't they have been keyboarding?