English verb conjugation
MUST DEFY

Regular verb: defy - defied - defied

Affirmation

Simple form	V-ing form
I must defy you must defy he must defy we must defy you must defy they must defy	I must be defying you must be defying he must be defying we must be defying you must be defying they must be defying
Perfect	V-ing perfect
I must have defied you must have defied he must have defied we must have defied you must have defied they must have defied	I must have been defying you must have been defying he must have been defying we must have been defying you must have been defying they must have been defying

Negation

Simple form	V-ing form
I must not defy you must not defy he must not defy we must not defy you must not defy they must not defy	I must not be defying you must not be defying he must not be defying we must not be defying you must not be defying they must not be defying
Perfect	V-ing perfect
I must not have defied you must not have defied he must not have defied we must not have defied you must not have defied they must not have defied	I must not have been defying you must not have been defying he 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	V-ing form
must I defy? must you defy? must he defy? must we defy? must you defy? must they defy?	must I be defying? must you be defying? must he be defying? must we be defying? must you be defying? must they be defying?
Perfect	V-ing perfect
must I have defied? must you have defied? must he have defied? must we have defied? must you have defied? must they have defied?	must I have been defying? must you have been defying? must he have been defying? must we have been defying? must you have been defying? must they have been defying?

Interro-negative form

Simple form	V-ing form
must I not defy? must you not defy? must he not defy? must we not defy? must you not defy? must they not defy?	must I not be defying? must you not be defying? must he not be defying? must we not be defying? must you not be defying? must they not be defying?
Perfect	V-ing perfect
must I not have defied? must you not have defied? must he not have defied? must we not have defied? must you not have defied? must they not have defied?	must I not have been defying? must you not have been defying? must he not have been defying? must we not have been defying? must you not have been defying? must they not have been defying?