English verb conjugation
MUST LIGATURE

Regular verb: ligature - ligatured - ligatured

Affirmation

Simple form	V-ing form
I must ligature you must ligature he must ligature we must ligature you must ligature they must ligature	I must be ligaturing you must be ligaturing he must be ligaturing we must be ligaturing you must be ligaturing they must be ligaturing
Perfect	V-ing perfect
I must have ligatured you must have ligatured he must have ligatured we must have ligatured you must have ligatured they must have ligatured	I must have been ligaturing you must have been ligaturing he must have been ligaturing we must have been ligaturing you must have been ligaturing they must have been ligaturing

Negation

Simple form	V-ing form
I mustn't ligature you mustn't ligature he mustn't ligature we mustn't ligature you mustn't ligature they mustn't ligature	I mustn't be ligaturing you mustn't be ligaturing he mustn't be ligaturing we mustn't be ligaturing you mustn't be ligaturing they mustn't be ligaturing
Perfect	V-ing perfect
I mustn't have ligatured you mustn't have ligatured he mustn't have ligatured we mustn't have ligatured you mustn't have ligatured they mustn't have ligatured	I mustn't have been ligaturing you mustn't have been ligaturing he mustn't have been ligaturing we mustn't have been ligaturing you mustn't have been ligaturing they mustn't have been ligaturing

Interrogative form

Simple form	V-ing form
must I ligature? must you ligature? must he ligature? must we ligature? must you ligature? must they ligature?	must I be ligaturing? must you be ligaturing? must he be ligaturing? must we be ligaturing? must you be ligaturing? must they be ligaturing?
Perfect	V-ing perfect
must I have ligatured? must you have ligatured? must he have ligatured? must we have ligatured? must you have ligatured? must they have ligatured?	must I have been ligaturing? must you have been ligaturing? must he have been ligaturing? must we have been ligaturing? must you have been ligaturing? must they have been ligaturing?

Interro-negative form

Simple form	V-ing form
mustn't I ligature? mustn't you ligature? mustn't he ligature? mustn't we ligature? mustn't you ligature? mustn't they ligature?	mustn't I be ligaturing? mustn't you be ligaturing? mustn't he be ligaturing? mustn't we be ligaturing? mustn't you be ligaturing? mustn't they be ligaturing?
Perfect	V-ing perfect
mustn't I have ligatured? mustn't you have ligatured? mustn't he have ligatured? mustn't we have ligatured? mustn't you have ligatured? mustn't they have ligatured?	mustn't I have been ligaturing? mustn't you have been ligaturing? mustn't he have been ligaturing? mustn't we have been ligaturing? mustn't you have been ligaturing? mustn't they have been ligaturing?