I could tap you could tap she could tap we could tap you could tap they could tap
Forma com V-ing
I could be tapping you could be tapping she could be tapping we could be tapping you could be tapping they could be tapping
Perfeito
I could have tapped you could have tapped she could have tapped we could have tapped you could have tapped they could have tapped
Perfeito com V-ing
I could have been tapping you could have been tapping she could have been tapping we could have been tapping you could have been tapping they could have been tapping
Negação
Forma simple
I couldn't tap you couldn't tap she couldn't tap we couldn't tap you couldn't tap they couldn't tap
Forma com V-ing
I couldn't be tapping you couldn't be tapping she couldn't be tapping we couldn't be tapping you couldn't be tapping they couldn't be tapping
Perfeito
I couldn't have tapped you couldn't have tapped she couldn't have tapped we couldn't have tapped you couldn't have tapped they couldn't have tapped
Perfeito com V-ing
I couldn't have been tapping you couldn't have been tapping she couldn't have been tapping we couldn't have been tapping you couldn't have been tapping they couldn't have been tapping
Forma interrogativa
Forma simple
could I tap? could you tap? could she tap? could we tap? could you tap? could they tap?
Forma com V-ing
could I be tapping? could you be tapping? could she be tapping? could we be tapping? could you be tapping? could they be tapping?
Perfeito
could I have tapped? could you have tapped? could she have tapped? could we have tapped? could you have tapped? could they have tapped?
Perfeito com V-ing
could I have been tapping? could you have been tapping? could she have been tapping? could we have been tapping? could you have been tapping? could they have been tapping?
Forma interro-Negação
Forma simple
couldn't I tap? couldn't you tap? couldn't she tap? couldn't we tap? couldn't you tap? couldn't they tap?
Forma com V-ing
couldn't I be tapping? couldn't you be tapping? couldn't she be tapping? couldn't we be tapping? couldn't you be tapping? couldn't they be tapping?
Perfeito
couldn't I have tapped? couldn't you have tapped? couldn't she have tapped? couldn't we have tapped? couldn't you have tapped? couldn't they have tapped?
Perfeito com V-ing
couldn't I have been tapping? couldn't you have been tapping? couldn't she have been tapping? couldn't we have been tapping? couldn't you have been tapping? couldn't they have been tapping?