I could tap you could tap he could tap we could tap you could tap they could tap
Forma con V-ing
I could be tapping you could be tapping he could be tapping we could be tapping you could be tapping they could be tapping
Perfecto
I could have tapped you could have tapped he could have tapped we could have tapped you could have tapped they could have tapped
Perfecto con V-ing
I could have been tapping you could have been tapping he could have been tapping we could have been tapping you could have been tapping they could have been tapping
Negación
Forma simple
I couldn't tap you couldn't tap he couldn't tap we couldn't tap you couldn't tap they couldn't tap
Forma con V-ing
I couldn't be tapping you couldn't be tapping he couldn't be tapping we couldn't be tapping you couldn't be tapping they couldn't be tapping
Perfecto
I couldn't have tapped you couldn't have tapped he couldn't have tapped we couldn't have tapped you couldn't have tapped they couldn't have tapped
Perfecto con V-ing
I couldn't have been tapping you couldn't have been tapping he 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 he tap? could we tap? could you tap? could they tap?
Forma con V-ing
could I be tapping? could you be tapping? could he be tapping? could we be tapping? could you be tapping? could they be tapping?
Perfecto
could I have tapped? could you have tapped? could he have tapped? could we have tapped? could you have tapped? could they have tapped?
Perfecto con V-ing
could I have been tapping? could you have been tapping? could he have been tapping? could we have been tapping? could you have been tapping? could they have been tapping?
Forma interro-negativa
Forma simple
couldn't I tap? couldn't you tap? couldn't he tap? couldn't we tap? couldn't you tap? couldn't they tap?
Forma con V-ing
couldn't I be tapping? couldn't you be tapping? couldn't he be tapping? couldn't we be tapping? couldn't you be tapping? couldn't they be tapping?
Perfecto
couldn't I have tapped? couldn't you have tapped? couldn't he have tapped? couldn't we have tapped? couldn't you have tapped? couldn't they have tapped?
Perfecto con V-ing
couldn't I have been tapping? couldn't you have been tapping? couldn't he have been tapping? couldn't we have been tapping? couldn't you have been tapping? couldn't they have been tapping?