English verb conjugation
MUST PRELUDE

Regular verb: prelude - preluded - preluded

Affirmation

Simple form	V-ing form
I must prelude you must prelude he must prelude we must prelude you must prelude they must prelude	I must be preluding you must be preluding he must be preluding we must be preluding you must be preluding they must be preluding
Perfect	V-ing perfect
I must have preluded you must have preluded he must have preluded we must have preluded you must have preluded they must have preluded	I must have been preluding you must have been preluding he must have been preluding we must have been preluding you must have been preluding they must have been preluding

Negation

Simple form	V-ing form
I mustn't prelude you mustn't prelude he mustn't prelude we mustn't prelude you mustn't prelude they mustn't prelude	I mustn't be preluding you mustn't be preluding he mustn't be preluding we mustn't be preluding you mustn't be preluding they mustn't be preluding
Perfect	V-ing perfect
I mustn't have preluded you mustn't have preluded he mustn't have preluded we mustn't have preluded you mustn't have preluded they mustn't have preluded	I mustn't have been preluding you mustn't have been preluding he mustn't have been preluding we mustn't have been preluding you mustn't have been preluding they mustn't have been preluding

Interrogative form

Simple form	V-ing form
must I prelude? must you prelude? must he prelude? must we prelude? must you prelude? must they prelude?	must I be preluding? must you be preluding? must he be preluding? must we be preluding? must you be preluding? must they be preluding?
Perfect	V-ing perfect
must I have preluded? must you have preluded? must he have preluded? must we have preluded? must you have preluded? must they have preluded?	must I have been preluding? must you have been preluding? must he have been preluding? must we have been preluding? must you have been preluding? must they have been preluding?

Interro-negative form

Simple form	V-ing form
mustn't I prelude? mustn't you prelude? mustn't he prelude? mustn't we prelude? mustn't you prelude? mustn't they prelude?	mustn't I be preluding? mustn't you be preluding? mustn't he be preluding? mustn't we be preluding? mustn't you be preluding? mustn't they be preluding?
Perfect	V-ing perfect
mustn't I have preluded? mustn't you have preluded? mustn't he have preluded? mustn't we have preluded? mustn't you have preluded? mustn't they have preluded?	mustn't I have been preluding? mustn't you have been preluding? mustn't he have been preluding? mustn't we have been preluding? mustn't you have been preluding? mustn't they have been preluding?