English verb conjugation
MUST ENVY

Regular verb: envy - envied - envied

Affirmation

Simple form	V-ing form
I must envy you must envy she must envy we must envy you must envy they must envy	I must be envying you must be envying she 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 she 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 she 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 must not envy you must not envy she must not envy we must not envy you must not envy they must not envy	I must not be envying you must not be envying she must not be envying we must not be envying you must not be envying they must not be envying
Perfect	V-ing perfect
I must not have envied you must not have envied she must not have envied we must not have envied you must not have envied they must not have envied	I must not have been envying you must not have been envying she must not have been envying we must not have been envying you must not have been envying they must not have been envying

Interrogative form

Simple form	V-ing form
must I envy? must you envy? must she envy? must we envy? must you envy? must they envy?	must I be envying? must you be envying? must she 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 she 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 she 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
must I not envy? must you not envy? must she not envy? must we not envy? must you not envy? must they not envy?	must I not be envying? must you not be envying? must she not be envying? must we not be envying? must you not be envying? must they not be envying?
Perfect	V-ing perfect
must I not have envied? must you not have envied? must she not have envied? must we not have envied? must you not have envied? must they not have envied?	must I not have been envying? must you not have been envying? must she not have been envying? must we not have been envying? must you not have been envying? must they not have been envying?