English verb conjugation
MUST DELOUSE

Regular verb: delouse - deloused - deloused

Affirmation

Simple form	V-ing form
I must delouse you must delouse he must delouse we must delouse you must delouse they must delouse	I must be delousing you must be delousing he must be delousing we must be delousing you must be delousing they must be delousing
Perfect	V-ing perfect
I must have deloused you must have deloused he must have deloused we must have deloused you must have deloused they must have deloused	I must have been delousing you must have been delousing he must have been delousing we must have been delousing you must have been delousing they must have been delousing

Negation

Simple form	V-ing form
I mustn't delouse you mustn't delouse he mustn't delouse we mustn't delouse you mustn't delouse they mustn't delouse	I mustn't be delousing you mustn't be delousing he mustn't be delousing we mustn't be delousing you mustn't be delousing they mustn't be delousing
Perfect	V-ing perfect
I mustn't have deloused you mustn't have deloused he mustn't have deloused we mustn't have deloused you mustn't have deloused they mustn't have deloused	I mustn't have been delousing you mustn't have been delousing he mustn't have been delousing we mustn't have been delousing you mustn't have been delousing they mustn't have been delousing

Interrogative form

Simple form	V-ing form
must I delouse? must you delouse? must he delouse? must we delouse? must you delouse? must they delouse?	must I be delousing? must you be delousing? must he be delousing? must we be delousing? must you be delousing? must they be delousing?
Perfect	V-ing perfect
must I have deloused? must you have deloused? must he have deloused? must we have deloused? must you have deloused? must they have deloused?	must I have been delousing? must you have been delousing? must he have been delousing? must we have been delousing? must you have been delousing? must they have been delousing?

Interro-negative form

Simple form	V-ing form
mustn't I delouse? mustn't you delouse? mustn't he delouse? mustn't we delouse? mustn't you delouse? mustn't they delouse?	mustn't I be delousing? mustn't you be delousing? mustn't he be delousing? mustn't we be delousing? mustn't you be delousing? mustn't they be delousing?
Perfect	V-ing perfect
mustn't I have deloused? mustn't you have deloused? mustn't he have deloused? mustn't we have deloused? mustn't you have deloused? mustn't they have deloused?	mustn't I have been delousing? mustn't you have been delousing? mustn't he have been delousing? mustn't we have been delousing? mustn't you have been delousing? mustn't they have been delousing?