English verb conjugation
MUST LOUSE

Regular verb: louse - loused - loused

Affirmation

Simple form	V-ing form
I must louse you must louse he must louse we must louse you must louse they must louse	I must be lousing you must be lousing he must be lousing we must be lousing you must be lousing they must be lousing
Perfect	V-ing perfect
I must have loused you must have loused he must have loused we must have loused you must have loused they must have loused	I must have been lousing you must have been lousing he must have been lousing we must have been lousing you must have been lousing they must have been lousing

Negation

Simple form	V-ing form
I must not louse you must not louse he must not louse we must not louse you must not louse they must not louse	I must not be lousing you must not be lousing he must not be lousing we must not be lousing you must not be lousing they must not be lousing
Perfect	V-ing perfect
I must not have loused you must not have loused he must not have loused we must not have loused you must not have loused they must not have loused	I must not have been lousing you must not have been lousing he must not have been lousing we must not have been lousing you must not have been lousing they must not have been lousing

Interrogative form

Simple form	V-ing form
must I louse? must you louse? must he louse? must we louse? must you louse? must they louse?	must I be lousing? must you be lousing? must he be lousing? must we be lousing? must you be lousing? must they be lousing?
Perfect	V-ing perfect
must I have loused? must you have loused? must he have loused? must we have loused? must you have loused? must they have loused?	must I have been lousing? must you have been lousing? must he have been lousing? must we have been lousing? must you have been lousing? must they have been lousing?

Interro-negative form

Simple form	V-ing form
must I not louse? must you not louse? must he not louse? must we not louse? must you not louse? must they not louse?	must I not be lousing? must you not be lousing? must he not be lousing? must we not be lousing? must you not be lousing? must they not be lousing?
Perfect	V-ing perfect
must I not have loused? must you not have loused? must he not have loused? must we not have loused? must you not have loused? must they not have loused?	must I not have been lousing? must you not have been lousing? must he not have been lousing? must we not have been lousing? must you not have been lousing? must they not have been lousing?