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 couldn't defy you couldn't defy he couldn't defy we couldn't defy you couldn't defy they couldn't defy
V-ing form
I couldn't be defying you couldn't be defying he couldn't be defying we couldn't be defying you couldn't be defying they couldn't be defying
Perfect
I couldn't have defied you couldn't have defied he couldn't have defied we couldn't have defied you couldn't have defied they couldn't have defied
V-ing perfect
I couldn't have been defying you couldn't have been defying he couldn't have been defying we couldn't have been defying you couldn't have been defying they couldn't 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
couldn't I defy? couldn't you defy? couldn't he defy? couldn't we defy? couldn't you defy? couldn't they defy?
V-ing form
couldn't I be defying? couldn't you be defying? couldn't he be defying? couldn't we be defying? couldn't you be defying? couldn't they be defying?
Perfect
couldn't I have defied? couldn't you have defied? couldn't he have defied? couldn't we have defied? couldn't you have defied? couldn't they have defied?
V-ing perfect
couldn't I have been defying? couldn't you have been defying? couldn't he have been defying? couldn't we have been defying? couldn't you have been defying? couldn't they have been defying?