English verb conjugation
MUST ENVY

Regular verb: envy - envied - envied

Affirmation

Simple form	V-ing form
I must envy you must envy he must envy we must envy you must envy they must envy	I must be envying you must be envying he must be envying we must be envying you must be envying they must be envying
Perfect	V-ing perfect
I must have envied you must have envied he must have envied we must have envied you must have envied they must have envied	I must have been envying you must have been envying he must have been envying we must have been envying you must have been envying they must have been envying

Negation

Simple form	V-ing form
I mustn't envy you mustn't envy he mustn't envy we mustn't envy you mustn't envy they mustn't envy	I mustn't be envying you mustn't be envying he mustn't be envying we mustn't be envying you mustn't be envying they mustn't be envying
Perfect	V-ing perfect
I mustn't have envied you mustn't have envied he mustn't have envied we mustn't have envied you mustn't have envied they mustn't have envied	I mustn't have been envying you mustn't have been envying he mustn't have been envying we mustn't have been envying you mustn't have been envying they mustn't have been envying

Interrogative form

Simple form	V-ing form
must I envy? must you envy? must he envy? must we envy? must you envy? must they envy?	must I be envying? must you be envying? must he be envying? must we be envying? must you be envying? must they be envying?
Perfect	V-ing perfect
must I have envied? must you have envied? must he have envied? must we have envied? must you have envied? must they have envied?	must I have been envying? must you have been envying? must he have been envying? must we have been envying? must you have been envying? must they have been envying?

Interro-negative form

Simple form	V-ing form
mustn't I envy? mustn't you envy? mustn't he envy? mustn't we envy? mustn't you envy? mustn't they envy?	mustn't I be envying? mustn't you be envying? mustn't he be envying? mustn't we be envying? mustn't you be envying? mustn't they be envying?
Perfect	V-ing perfect
mustn't I have envied? mustn't you have envied? mustn't he have envied? mustn't we have envied? mustn't you have envied? mustn't they have envied?	mustn't I have been envying? mustn't you have been envying? mustn't he have been envying? mustn't we have been envying? mustn't you have been envying? mustn't they have been envying?