can keyboard
Verbo regular: keyboard - keyboarded- keyboarded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can keyboard
you can keyboard
he can keyboard
we can keyboard
you can keyboard
they can keyboard 	I can be keyboarding
you can be keyboarding
he can be keyboarding
we can be keyboarding
you can be keyboarding
they can be keyboarding	I can have keyboarded
you can have keyboarded
he can have keyboarded
we can have keyboarded
you can have keyboarded
they can have keyboarded	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't keyboard
you can't keyboard
he can't keyboard
we can't keyboard
you can't keyboard
they can't keyboard 	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	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	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I keyboard?
can you keyboard?
can he keyboard?
can we keyboard?
can you keyboard?
can they keyboard? 	can I be keyboarding?
can you be keyboarding?
can he be keyboarding?
can we be keyboarding?
can you be keyboarding?
can they be keyboarding? 	can I have keyboarded?
can you have keyboarded?
can he have keyboarded?
can we have keyboarded?
can you have keyboarded?
can they have keyboarded? 	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I keyboard?
can't you keyboard?
can't he keyboard?
can't we keyboard?
can't you keyboard?
can't they keyboard? 	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? 	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? 	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?