I could defy you could defy he could defy we could defy you could defy they could defy
V-ing form
I could be defying you could be defying he could be defying we could be defying you could be defying they could be defying
Perfect
I could have defied you could have defied he could have defied we could have defied you could have defied they could have defied
V-ing perfect
I could have been defying you could have been defying he could have been defying we could have been defying you could have been defying they could have been defying
Negation
Simple form
I could not defy you could not defy he could not defy we could not defy you could not defy they could not defy
V-ing form
I could not be defying you could not be defying he could not be defying we could not be defying you could not be defying they could not be defying
Perfect
I could not have defied you could not have defied he could not have defied we could not have defied you could not have defied they could not have defied
V-ing perfect
I could not have been defying you could not have been defying he could not have been defying we could not have been defying you could not have been defying they could not have been defying
Interrogative form
Simple form
could I defy? could you defy? could he defy? could we defy? could you defy? could they defy?
V-ing form
could I be defying? could you be defying? could he be defying? could we be defying? could you be defying? could they be defying?
Perfect
could I have defied? could you have defied? could he have defied? could we have defied? could you have defied? could they have defied?
V-ing perfect
could I have been defying? could you have been defying? could he have been defying? could we have been defying? could you have been defying? could they have been defying?
Interro-negative form
Simple form
could I not defy? could you not defy? could he not defy? could we not defy? could you not defy? could they not defy?
V-ing form
could I not be defying? could you not be defying? could he not be defying? could we not be defying? could you not be defying? could they not be defying?
Perfect
could I not have defied? could you not have defied? could he not have defied? could we not have defied? could you not have defied? could they not have defied?
V-ing perfect
could I not have been defying? could you not have been defying? could he not have been defying? could we not have been defying? could you not have been defying? could they not have been defying?