English verb conjugation
MUST HETERODYNE

Regular verb: heterodyne - heterodyned - heterodyned

Affirmation

Simple form	V-ing form
I must heterodyne you must heterodyne he must heterodyne we must heterodyne you must heterodyne they must heterodyne	I must be heterodyning you must be heterodyning he must be heterodyning we must be heterodyning you must be heterodyning they must be heterodyning
Perfect	V-ing perfect
I must have heterodyned you must have heterodyned he must have heterodyned we must have heterodyned you must have heterodyned they must have heterodyned	I must have been heterodyning you must have been heterodyning he must have been heterodyning we must have been heterodyning you must have been heterodyning they must have been heterodyning

Negation

Simple form	V-ing form
I mustn't heterodyne you mustn't heterodyne he mustn't heterodyne we mustn't heterodyne you mustn't heterodyne they mustn't heterodyne	I mustn't be heterodyning you mustn't be heterodyning he mustn't be heterodyning we mustn't be heterodyning you mustn't be heterodyning they mustn't be heterodyning
Perfect	V-ing perfect
I mustn't have heterodyned you mustn't have heterodyned he mustn't have heterodyned we mustn't have heterodyned you mustn't have heterodyned they mustn't have heterodyned	I mustn't have been heterodyning you mustn't have been heterodyning he mustn't have been heterodyning we mustn't have been heterodyning you mustn't have been heterodyning they mustn't have been heterodyning

Interrogative form

Simple form	V-ing form
must I heterodyne? must you heterodyne? must he heterodyne? must we heterodyne? must you heterodyne? must they heterodyne?	must I be heterodyning? must you be heterodyning? must he be heterodyning? must we be heterodyning? must you be heterodyning? must they be heterodyning?
Perfect	V-ing perfect
must I have heterodyned? must you have heterodyned? must he have heterodyned? must we have heterodyned? must you have heterodyned? must they have heterodyned?	must I have been heterodyning? must you have been heterodyning? must he have been heterodyning? must we have been heterodyning? must you have been heterodyning? must they have been heterodyning?

Interro-negative form

Simple form	V-ing form
mustn't I heterodyne? mustn't you heterodyne? mustn't he heterodyne? mustn't we heterodyne? mustn't you heterodyne? mustn't they heterodyne?	mustn't I be heterodyning? mustn't you be heterodyning? mustn't he be heterodyning? mustn't we be heterodyning? mustn't you be heterodyning? mustn't they be heterodyning?
Perfect	V-ing perfect
mustn't I have heterodyned? mustn't you have heterodyned? mustn't he have heterodyned? mustn't we have heterodyned? mustn't you have heterodyned? mustn't they have heterodyned?	mustn't I have been heterodyning? mustn't you have been heterodyning? mustn't he have been heterodyning? mustn't we have been heterodyning? mustn't you have been heterodyning? mustn't they have been heterodyning?