English verb conjugation
MUST HEAR

Irregular verb: hear - heard - heard

Affirmation

Simple form	V-ing form
I must hear you must hear he must hear we must hear you must hear they must hear	I must be hearing you must be hearing he must be hearing we must be hearing you must be hearing they must be hearing
Perfect	V-ing perfect
I must have heard you must have heard he must have heard we must have heard you must have heard they must have heard	I must have been hearing you must have been hearing he must have been hearing we must have been hearing you must have been hearing they must have been hearing

Negation

Simple form	V-ing form
I mustn't hear you mustn't hear he mustn't hear we mustn't hear you mustn't hear they mustn't hear	I mustn't be hearing you mustn't be hearing he mustn't be hearing we mustn't be hearing you mustn't be hearing they mustn't be hearing
Perfect	V-ing perfect
I mustn't have heard you mustn't have heard he mustn't have heard we mustn't have heard you mustn't have heard they mustn't have heard	I mustn't have been hearing you mustn't have been hearing he mustn't have been hearing we mustn't have been hearing you mustn't have been hearing they mustn't have been hearing

Interrogative form

Simple form	V-ing form
must I hear? must you hear? must he hear? must we hear? must you hear? must they hear?	must I be hearing? must you be hearing? must he be hearing? must we be hearing? must you be hearing? must they be hearing?
Perfect	V-ing perfect
must I have heard? must you have heard? must he have heard? must we have heard? must you have heard? must they have heard?	must I have been hearing? must you have been hearing? must he have been hearing? must we have been hearing? must you have been hearing? must they have been hearing?

Interro-negative form

Simple form	V-ing form
mustn't I hear? mustn't you hear? mustn't he hear? mustn't we hear? mustn't you hear? mustn't they hear?	mustn't I be hearing? mustn't you be hearing? mustn't he be hearing? mustn't we be hearing? mustn't you be hearing? mustn't they be hearing?
Perfect	V-ing perfect
mustn't I have heard? mustn't you have heard? mustn't he have heard? mustn't we have heard? mustn't you have heard? mustn't they have heard?	mustn't I have been hearing? mustn't you have been hearing? mustn't he have been hearing? mustn't we have been hearing? mustn't you have been hearing? mustn't they have been hearing?