English verb conjugation
MUST PROLOGUE

Regular verb: prologue - prologued - prologued

Affirmation

Simple form	V-ing form
I must prologue you must prologue he must prologue we must prologue you must prologue they must prologue	I must be prologuing you must be prologuing he must be prologuing we must be prologuing you must be prologuing they must be prologuing
Perfect	V-ing perfect
I must have prologued you must have prologued he must have prologued we must have prologued you must have prologued they must have prologued	I must have been prologuing you must have been prologuing he must have been prologuing we must have been prologuing you must have been prologuing they must have been prologuing

Negation

Simple form	V-ing form
I mustn't prologue you mustn't prologue he mustn't prologue we mustn't prologue you mustn't prologue they mustn't prologue	I mustn't be prologuing you mustn't be prologuing he mustn't be prologuing we mustn't be prologuing you mustn't be prologuing they mustn't be prologuing
Perfect	V-ing perfect
I mustn't have prologued you mustn't have prologued he mustn't have prologued we mustn't have prologued you mustn't have prologued they mustn't have prologued	I mustn't have been prologuing you mustn't have been prologuing he mustn't have been prologuing we mustn't have been prologuing you mustn't have been prologuing they mustn't have been prologuing

Interrogative form

Simple form	V-ing form
must I prologue? must you prologue? must he prologue? must we prologue? must you prologue? must they prologue?	must I be prologuing? must you be prologuing? must he be prologuing? must we be prologuing? must you be prologuing? must they be prologuing?
Perfect	V-ing perfect
must I have prologued? must you have prologued? must he have prologued? must we have prologued? must you have prologued? must they have prologued?	must I have been prologuing? must you have been prologuing? must he have been prologuing? must we have been prologuing? must you have been prologuing? must they have been prologuing?

Interro-negative form

Simple form	V-ing form
mustn't I prologue? mustn't you prologue? mustn't he prologue? mustn't we prologue? mustn't you prologue? mustn't they prologue?	mustn't I be prologuing? mustn't you be prologuing? mustn't he be prologuing? mustn't we be prologuing? mustn't you be prologuing? mustn't they be prologuing?
Perfect	V-ing perfect
mustn't I have prologued? mustn't you have prologued? mustn't he have prologued? mustn't we have prologued? mustn't you have prologued? mustn't they have prologued?	mustn't I have been prologuing? mustn't you have been prologuing? mustn't he have been prologuing? mustn't we have been prologuing? mustn't you have been prologuing? mustn't they have been prologuing?