I could keyboard you could keyboard she could keyboard we could keyboard you could keyboard they could keyboard
Forma com V-ing
I could be keyboarding you could be keyboarding she could be keyboarding we could be keyboarding you could be keyboarding they could be keyboarding
Perfeito
I could have keyboarded you could have keyboarded she could have keyboarded we could have keyboarded you could have keyboarded they could have keyboarded
Perfeito com V-ing
I could have been keyboarding you could have been keyboarding she could have been keyboarding we could have been keyboarding you could have been keyboarding they could have been keyboarding
Negação
Forma simple
I couldn't keyboard you couldn't keyboard she couldn't keyboard we couldn't keyboard you couldn't keyboard they couldn't keyboard
Forma com V-ing
I couldn't be keyboarding you couldn't be keyboarding she couldn't be keyboarding we couldn't be keyboarding you couldn't be keyboarding they couldn't be keyboarding
Perfeito
I couldn't have keyboarded you couldn't have keyboarded she couldn't have keyboarded we couldn't have keyboarded you couldn't have keyboarded they couldn't have keyboarded
Perfeito com V-ing
I couldn't have been keyboarding you couldn't have been keyboarding she 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 simple
could I keyboard? could you keyboard? could she keyboard? could we keyboard? could you keyboard? could they keyboard?
Forma com V-ing
could I be keyboarding? could you be keyboarding? could she be keyboarding? could we be keyboarding? could you be keyboarding? could they be keyboarding?
Perfeito
could I have keyboarded? could you have keyboarded? could she have keyboarded? could we have keyboarded? could you have keyboarded? could they have keyboarded?
Perfeito com V-ing
could I have been keyboarding? could you have been keyboarding? could she have been keyboarding? could we have been keyboarding? could you have been keyboarding? could they have been keyboarding?
Forma interro-Negação
Forma simple
couldn't I keyboard? couldn't you keyboard? couldn't she keyboard? couldn't we keyboard? couldn't you keyboard? couldn't they keyboard?
Forma com V-ing
couldn't I be keyboarding? couldn't you be keyboarding? couldn't she be keyboarding? couldn't we be keyboarding? couldn't you be keyboarding? couldn't they be keyboarding?
Perfeito
couldn't I have keyboarded? couldn't you have keyboarded? couldn't she have keyboarded? couldn't we have keyboarded? couldn't you have keyboarded? couldn't they have keyboarded?
Perfeito com V-ing
couldn't I have been keyboarding? couldn't you have been keyboarding? couldn't she have been keyboarding? couldn't we have been keyboarding? couldn't you have been keyboarding? couldn't they have been keyboarding?