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