I must heterodyne you must heterodyne he must heterodyne we must heterodyne you must heterodyne they must heterodyne
V-ing form
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
I must have heterodyned you must have heterodyned he must have heterodyned we must have heterodyned you must have heterodyned they must have heterodyned
V-ing perfect
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
I must not heterodyne you must not heterodyne he must not heterodyne we must not heterodyne you must not heterodyne they must not heterodyne
V-ing form
I must not be heterodyning you must not be heterodyning he must not be heterodyning we must not be heterodyning you must not be heterodyning they must not be heterodyning
Perfect
I must not have heterodyned you must not have heterodyned he must not have heterodyned we must not have heterodyned you must not have heterodyned they must not have heterodyned
V-ing perfect
I must not have been heterodyning you must not have been heterodyning he must not have been heterodyning we must not have been heterodyning you must not have been heterodyning they must not have been heterodyning
Interrogative form
Simple form
must I heterodyne? must you heterodyne? must he heterodyne? must we heterodyne? must you heterodyne? must they heterodyne?
V-ing form
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
must I have heterodyned? must you have heterodyned? must he have heterodyned? must we have heterodyned? must you have heterodyned? must they have heterodyned?
V-ing perfect
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
must I not heterodyne? must you not heterodyne? must he not heterodyne? must we not heterodyne? must you not heterodyne? must they not heterodyne?
V-ing form
must I not be heterodyning? must you not be heterodyning? must he not be heterodyning? must we not be heterodyning? must you not be heterodyning? must they not be heterodyning?
Perfect
must I not have heterodyned? must you not have heterodyned? must he not have heterodyned? must we not have heterodyned? must you not have heterodyned? must they not have heterodyned?
V-ing perfect
must I not have been heterodyning? must you not have been heterodyning? must he not have been heterodyning? must we not have been heterodyning? must you not have been heterodyning? must they not have been heterodyning?