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