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