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