I could spy you could spy he could spy we could spy you could spy they could spy
Forma com V-ing
I could be spying you could be spying he could be spying we could be spying you could be spying they could be spying
Perfeito
I could have spied you could have spied he could have spied we could have spied you could have spied they could have spied
Perfeito com V-ing
I could have been spying you could have been spying he could have been spying we could have been spying you could have been spying they could have been spying
Negação
Forma simple
I couldn't spy you couldn't spy he couldn't spy we couldn't spy you couldn't spy they couldn't spy
Forma com V-ing
I couldn't be spying you couldn't be spying he couldn't be spying we couldn't be spying you couldn't be spying they couldn't be spying
Perfeito
I couldn't have spied you couldn't have spied he couldn't have spied we couldn't have spied you couldn't have spied they couldn't have spied
Perfeito com V-ing
I couldn't have been spying you couldn't have been spying he 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 he spy? could we spy? could you spy? could they spy?
Forma com V-ing
could I be spying? could you be spying? could he be spying? could we be spying? could you be spying? could they be spying?
Perfeito
could I have spied? could you have spied? could he have spied? could we have spied? could you have spied? could they have spied?
Perfeito com V-ing
could I have been spying? could you have been spying? could he have been spying? could we have been spying? could you have been spying? could they have been spying?
Forma interro-Negação
Forma simple
couldn't I spy? couldn't you spy? couldn't he spy? couldn't we spy? couldn't you spy? couldn't they spy?
Forma com V-ing
couldn't I be spying? couldn't you be spying? couldn't he be spying? couldn't we be spying? couldn't you be spying? couldn't they be spying?
Perfeito
couldn't I have spied? couldn't you have spied? couldn't he have spied? couldn't we have spied? couldn't you have spied? couldn't they have spied?
Perfeito com V-ing
couldn't I have been spying? couldn't you have been spying? couldn't he have been spying? couldn't we have been spying? couldn't you have been spying? couldn't they have been spying?