must defy
Regular verb: defy - defied- defied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must defy
you must defy
she must defy
we must defy
you must defy
they must defy 	I must be defying
you must be defying
she must be defying
we must be defying
you must be defying
they must be defying	I must have defied
you must have defied
she 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
she 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 	Perfect 	V-ing perfect 	
I mustn't defy
you mustn't defy
she 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
she mustn't be defying
we mustn't be defying
you mustn't be defying
they mustn't be defying	I mustn't have defied
you mustn't have defied
she 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
she 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 	Perfect 	V-ing perfect 	
must I defy?
must you defy?
must she defy?
must we defy?
must you defy?
must they defy? 	must I be defying?
must you be defying?
must she be defying?
must we be defying?
must you be defying?
must they be defying? 	must I have defied?
must you have defied?
must she 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 she 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 	Perfect 	V-ing perfect 	
mustn't I defy?
mustn't you defy?
mustn't she 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 she be defying?
mustn't we be defying?
mustn't you be defying?
mustn't they be defying? 	mustn't I have defied?
mustn't you have defied?
mustn't she 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 she have been defying?
mustn't we have been defying?
mustn't you have been defying?
mustn't they have been defying?