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