I could slink you could slink she could slink we could slink you could slink they could slink
Forma con V-ing
I could be slinking you could be slinking she could be slinking we could be slinking you could be slinking they could be slinking
Perfecto
I could have slunk you could have slunk she could have slunk we could have slunk you could have slunk they could have slunk
Perfecto con V-ing
I could have been slinking you could have been slinking she could have been slinking we could have been slinking you could have been slinking they could have been slinking
Negación
Forma simple
I couldn't slink you couldn't slink she couldn't slink we couldn't slink you couldn't slink they couldn't slink
Forma con V-ing
I couldn't be slinking you couldn't be slinking she couldn't be slinking we couldn't be slinking you couldn't be slinking they couldn't be slinking
Perfecto
I couldn't have slunk you couldn't have slunk she couldn't have slunk we couldn't have slunk you couldn't have slunk they couldn't have slunk
Perfecto con V-ing
I couldn't have been slinking you couldn't have been slinking she couldn't have been slinking we couldn't have been slinking you couldn't have been slinking they couldn't have been slinking
Forma interrogativa
Forma simple
could I slink? could you slink? could she slink? could we slink? could you slink? could they slink?
Forma con V-ing
could I be slinking? could you be slinking? could she be slinking? could we be slinking? could you be slinking? could they be slinking?
Perfecto
could I have slunk? could you have slunk? could she have slunk? could we have slunk? could you have slunk? could they have slunk?
Perfecto con V-ing
could I have been slinking? could you have been slinking? could she have been slinking? could we have been slinking? could you have been slinking? could they have been slinking?
Forma interro-negativa
Forma simple
couldn't I slink? couldn't you slink? couldn't she slink? couldn't we slink? couldn't you slink? couldn't they slink?
Forma con V-ing
couldn't I be slinking? couldn't you be slinking? couldn't she be slinking? couldn't we be slinking? couldn't you be slinking? couldn't they be slinking?
Perfecto
couldn't I have slunk? couldn't you have slunk? couldn't she have slunk? couldn't we have slunk? couldn't you have slunk? couldn't they have slunk?
Perfecto con V-ing
couldn't I have been slinking? couldn't you have been slinking? couldn't she have been slinking? couldn't we have been slinking? couldn't you have been slinking? couldn't they have been slinking?