English verb conjugation
MUST PREY

Regular verb: prey - preyed - preyed

Affirmation

Simple form	V-ing form
I must prey you must prey he must prey we must prey you must prey they must prey	I must be preying you must be preying he must be preying we must be preying you must be preying they must be preying
Perfect	V-ing perfect
I must have preyed you must have preyed he must have preyed we must have preyed you must have preyed they must have preyed	I must have been preying you must have been preying he must have been preying we must have been preying you must have been preying they must have been preying

Negation

Simple form	V-ing form
I mustn't prey you mustn't prey he mustn't prey we mustn't prey you mustn't prey they mustn't prey	I mustn't be preying you mustn't be preying he mustn't be preying we mustn't be preying you mustn't be preying they mustn't be preying
Perfect	V-ing perfect
I mustn't have preyed you mustn't have preyed he mustn't have preyed we mustn't have preyed you mustn't have preyed they mustn't have preyed	I mustn't have been preying you mustn't have been preying he mustn't have been preying we mustn't have been preying you mustn't have been preying they mustn't have been preying

Interrogative form

Simple form	V-ing form
must I prey? must you prey? must he prey? must we prey? must you prey? must they prey?	must I be preying? must you be preying? must he be preying? must we be preying? must you be preying? must they be preying?
Perfect	V-ing perfect
must I have preyed? must you have preyed? must he have preyed? must we have preyed? must you have preyed? must they have preyed?	must I have been preying? must you have been preying? must he have been preying? must we have been preying? must you have been preying? must they have been preying?

Interro-negative form

Simple form	V-ing form
mustn't I prey? mustn't you prey? mustn't he prey? mustn't we prey? mustn't you prey? mustn't they prey?	mustn't I be preying? mustn't you be preying? mustn't he be preying? mustn't we be preying? mustn't you be preying? mustn't they be preying?
Perfect	V-ing perfect
mustn't I have preyed? mustn't you have preyed? mustn't he have preyed? mustn't we have preyed? mustn't you have preyed? mustn't they have preyed?	mustn't I have been preying? mustn't you have been preying? mustn't he have been preying? mustn't we have been preying? mustn't you have been preying? mustn't they have been preying?