I can keyboard you can keyboard he can keyboard we can keyboard you can keyboard they can keyboard
Forma com 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
Perfeito
I can have keyboarded you can have keyboarded he can have keyboarded we can have keyboarded you can have keyboarded they can have keyboarded
Perfeito com 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
Negação
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 com 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
Perfeito
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
Perfeito com 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 com 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?
Perfeito
can I have keyboarded? can you have keyboarded? can he have keyboarded? can we have keyboarded? can you have keyboarded? can they have keyboarded?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?