English verb conjugation
MUST LUST

Regular verb: lust - lusted - lusted

Affirmation

Simple form	V-ing form
I must lust you must lust he must lust we must lust you must lust they must lust	I must be lusting you must be lusting he must be lusting we must be lusting you must be lusting they must be lusting
Perfect	V-ing perfect
I must have lusted you must have lusted he must have lusted we must have lusted you must have lusted they must have lusted	I must have been lusting you must have been lusting he must have been lusting we must have been lusting you must have been lusting they must have been lusting

Negation

Simple form	V-ing form
I mustn't lust you mustn't lust he mustn't lust we mustn't lust you mustn't lust they mustn't lust	I mustn't be lusting you mustn't be lusting he mustn't be lusting we mustn't be lusting you mustn't be lusting they mustn't be lusting
Perfect	V-ing perfect
I mustn't have lusted you mustn't have lusted he mustn't have lusted we mustn't have lusted you mustn't have lusted they mustn't have lusted	I mustn't have been lusting you mustn't have been lusting he mustn't have been lusting we mustn't have been lusting you mustn't have been lusting they mustn't have been lusting

Interrogative form

Simple form	V-ing form
must I lust? must you lust? must he lust? must we lust? must you lust? must they lust?	must I be lusting? must you be lusting? must he be lusting? must we be lusting? must you be lusting? must they be lusting?
Perfect	V-ing perfect
must I have lusted? must you have lusted? must he have lusted? must we have lusted? must you have lusted? must they have lusted?	must I have been lusting? must you have been lusting? must he have been lusting? must we have been lusting? must you have been lusting? must they have been lusting?

Interro-negative form

Simple form	V-ing form
mustn't I lust? mustn't you lust? mustn't he lust? mustn't we lust? mustn't you lust? mustn't they lust?	mustn't I be lusting? mustn't you be lusting? mustn't he be lusting? mustn't we be lusting? mustn't you be lusting? mustn't they be lusting?
Perfect	V-ing perfect
mustn't I have lusted? mustn't you have lusted? mustn't he have lusted? mustn't we have lusted? mustn't you have lusted? mustn't they have lusted?	mustn't I have been lusting? mustn't you have been lusting? mustn't he have been lusting? mustn't we have been lusting? mustn't you have been lusting? mustn't they have been lusting?