I can keyboard you can keyboard she can keyboard we can keyboard you can keyboard they can keyboard
Forma con V-ing
I can be keyboarding you can be keyboarding she can be keyboarding we can be keyboarding you can be keyboarding they can be keyboarding
Perfecto
I can have keyboarded you can have keyboarded she 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 she can have been keyboarding we can have been keyboarding you can have been keyboarding they can have been keyboarding
Negación
Forma simple
I cannot keyboard you cannot keyboard she cannot keyboard we cannot keyboard you cannot keyboard they cannot keyboard
Forma con V-ing
I cannot be keyboarding you cannot be keyboarding she cannot be keyboarding we cannot be keyboarding you cannot be keyboarding they cannot be keyboarding
Perfecto
I cannot have keyboarded you cannot have keyboarded she cannot have keyboarded we cannot have keyboarded you cannot have keyboarded they cannot have keyboarded
Perfecto con V-ing
I cannot have been keyboarding you cannot have been keyboarding she cannot have been keyboarding we cannot have been keyboarding you cannot have been keyboarding they cannot have been keyboarding
Forma interrogativa
Forma simple
can I keyboard? can you keyboard? can she keyboard? can we keyboard? can you keyboard? can they keyboard?
Forma con V-ing
can I be keyboarding? can you be keyboarding? can she be keyboarding? can we be keyboarding? can you be keyboarding? can they be keyboarding?
Perfecto
can I have keyboarded? can you have keyboarded? can she 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 she have been keyboarding? can we have been keyboarding? can you have been keyboarding? can they have been keyboarding?
Forma interro-negativa
Forma simple
can I not keyboard? can you not keyboard? can she not keyboard? can we not keyboard? can you not keyboard? can they not keyboard?
Forma con V-ing
can I not be keyboarding? can you not be keyboarding? can she not be keyboarding? can we not be keyboarding? can you not be keyboarding? can they not be keyboarding?
Perfecto
can I not have keyboarded? can you not have keyboarded? can she not have keyboarded? can we not have keyboarded? can you not have keyboarded? can they not have keyboarded?
Perfecto con V-ing
can I not have been keyboarding? can you not have been keyboarding? can she not have been keyboarding? can we not have been keyboarding? can you not have been keyboarding? can they not have been keyboarding?