English verb conjugation
MUST REGALE

Regular verb: regale - regaled - regaled

Affirmation

Simple form	V-ing form
I must regale you must regale he must regale we must regale you must regale they must regale	I must be regaling you must be regaling he must be regaling we must be regaling you must be regaling they must be regaling
Perfect	V-ing perfect
I must have regaled you must have regaled he must have regaled we must have regaled you must have regaled they must have regaled	I must have been regaling you must have been regaling he must have been regaling we must have been regaling you must have been regaling they must have been regaling

Negation

Simple form	V-ing form
I mustn't regale you mustn't regale he mustn't regale we mustn't regale you mustn't regale they mustn't regale	I mustn't be regaling you mustn't be regaling he mustn't be regaling we mustn't be regaling you mustn't be regaling they mustn't be regaling
Perfect	V-ing perfect
I mustn't have regaled you mustn't have regaled he mustn't have regaled we mustn't have regaled you mustn't have regaled they mustn't have regaled	I mustn't have been regaling you mustn't have been regaling he mustn't have been regaling we mustn't have been regaling you mustn't have been regaling they mustn't have been regaling

Interrogative form

Simple form	V-ing form
must I regale? must you regale? must he regale? must we regale? must you regale? must they regale?	must I be regaling? must you be regaling? must he be regaling? must we be regaling? must you be regaling? must they be regaling?
Perfect	V-ing perfect
must I have regaled? must you have regaled? must he have regaled? must we have regaled? must you have regaled? must they have regaled?	must I have been regaling? must you have been regaling? must he have been regaling? must we have been regaling? must you have been regaling? must they have been regaling?

Interro-negative form

Simple form	V-ing form
mustn't I regale? mustn't you regale? mustn't he regale? mustn't we regale? mustn't you regale? mustn't they regale?	mustn't I be regaling? mustn't you be regaling? mustn't he be regaling? mustn't we be regaling? mustn't you be regaling? mustn't they be regaling?
Perfect	V-ing perfect
mustn't I have regaled? mustn't you have regaled? mustn't he have regaled? mustn't we have regaled? mustn't you have regaled? mustn't they have regaled?	mustn't I have been regaling? mustn't you have been regaling? mustn't he have been regaling? mustn't we have been regaling? mustn't you have been regaling? mustn't they have been regaling?