could keyboard
Verbo regolare: keyboard - keyboarded- keyboarded

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could keyboard
you could keyboard
he could keyboard
we could keyboard
you could keyboard
they could keyboard 	I could be keyboarding
you could be keyboarding
he could be keyboarding
we could be keyboarding
you could be keyboarding
they could be keyboarding	I could have keyboarded
you could have keyboarded
he could have keyboarded
we could have keyboarded
you could have keyboarded
they could have keyboarded	I could have been keyboarding
you could have been keyboarding
he could have been keyboarding
we could have been keyboarding
you could have been keyboarding
they could have been keyboarding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't keyboard
you couldn't keyboard
he couldn't keyboard
we couldn't keyboard
you couldn't keyboard
they couldn't keyboard 	I couldn't be keyboarding
you couldn't be keyboarding
he couldn't be keyboarding
we couldn't be keyboarding
you couldn't be keyboarding
they couldn't be keyboarding	I couldn't have keyboarded
you couldn't have keyboarded
he couldn't have keyboarded
we couldn't have keyboarded
you couldn't have keyboarded
they couldn't have keyboarded	I couldn't have been keyboarding
you couldn't have been keyboarding
he couldn't have been keyboarding
we couldn't have been keyboarding
you couldn't have been keyboarding
they couldn't have been keyboarding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I keyboard?
could you keyboard?
could he keyboard?
could we keyboard?
could you keyboard?
could they keyboard? 	could I be keyboarding?
could you be keyboarding?
could he be keyboarding?
could we be keyboarding?
could you be keyboarding?
could they be keyboarding? 	could I have keyboarded?
could you have keyboarded?
could he have keyboarded?
could we have keyboarded?
could you have keyboarded?
could they have keyboarded? 	could I have been keyboarding?
could you have been keyboarding?
could he have been keyboarding?
could we have been keyboarding?
could you have been keyboarding?
could they have been keyboarding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I keyboard?
couldn't you keyboard?
couldn't he keyboard?
couldn't we keyboard?
couldn't you keyboard?
couldn't they keyboard? 	couldn't I be keyboarding?
couldn't you be keyboarding?
couldn't he be keyboarding?
couldn't we be keyboarding?
couldn't you be keyboarding?
couldn't they be keyboarding? 	couldn't I have keyboarded?
couldn't you have keyboarded?
couldn't he have keyboarded?
couldn't we have keyboarded?
couldn't you have keyboarded?
couldn't they have keyboarded? 	couldn't I have been keyboarding?
couldn't you have been keyboarding?
couldn't he have been keyboarding?
couldn't we have been keyboarding?
couldn't you have been keyboarding?
couldn't they have been keyboarding?