English verb conjugation
MUST LUST

Regular verb: lust - lusted - lusted

Affirmation

Simple form	V-ing form
I must lust you must lust she must lust we must lust you must lust they must lust	I must be lusting you must be lusting she 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 she 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 she 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 she 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 she 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 she 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 she 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 she lust? must we lust? must you lust? must they lust?	must I be lusting? must you be lusting? must she 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 she 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 she 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 she 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 she 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 she 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 she have been lusting? mustn't we have been lusting? mustn't you have been lusting? mustn't they have been lusting?