English verb conjugation
MUST DECOY

Regular verb: decoy - decoyed - decoyed

Affirmation

Simple form	V-ing form
I must decoy you must decoy he must decoy we must decoy you must decoy they must decoy	I must be decoying you must be decoying he must be decoying we must be decoying you must be decoying they must be decoying
Perfect	V-ing perfect
I must have decoyed you must have decoyed he must have decoyed we must have decoyed you must have decoyed they must have decoyed	I must have been decoying you must have been decoying he must have been decoying we must have been decoying you must have been decoying they must have been decoying

Negation

Simple form	V-ing form
I mustn't decoy you mustn't decoy he mustn't decoy we mustn't decoy you mustn't decoy they mustn't decoy	I mustn't be decoying you mustn't be decoying he mustn't be decoying we mustn't be decoying you mustn't be decoying they mustn't be decoying
Perfect	V-ing perfect
I mustn't have decoyed you mustn't have decoyed he mustn't have decoyed we mustn't have decoyed you mustn't have decoyed they mustn't have decoyed	I mustn't have been decoying you mustn't have been decoying he mustn't have been decoying we mustn't have been decoying you mustn't have been decoying they mustn't have been decoying

Interrogative form

Simple form	V-ing form
must I decoy? must you decoy? must he decoy? must we decoy? must you decoy? must they decoy?	must I be decoying? must you be decoying? must he be decoying? must we be decoying? must you be decoying? must they be decoying?
Perfect	V-ing perfect
must I have decoyed? must you have decoyed? must he have decoyed? must we have decoyed? must you have decoyed? must they have decoyed?	must I have been decoying? must you have been decoying? must he have been decoying? must we have been decoying? must you have been decoying? must they have been decoying?

Interro-negative form

Simple form	V-ing form
mustn't I decoy? mustn't you decoy? mustn't he decoy? mustn't we decoy? mustn't you decoy? mustn't they decoy?	mustn't I be decoying? mustn't you be decoying? mustn't he be decoying? mustn't we be decoying? mustn't you be decoying? mustn't they be decoying?
Perfect	V-ing perfect
mustn't I have decoyed? mustn't you have decoyed? mustn't he have decoyed? mustn't we have decoyed? mustn't you have decoyed? mustn't they have decoyed?	mustn't I have been decoying? mustn't you have been decoying? mustn't he have been decoying? mustn't we have been decoying? mustn't you have been decoying? mustn't they have been decoying?