English verb conjugation
MUST PREPROGRAM

Regular verb: preprogram - preprogramed - preprogramed

Affirmation

Simple form	V-ing form
I must preprogram you must preprogram he must preprogram we must preprogram you must preprogram they must preprogram	I must be preprograming you must be preprograming he must be preprograming we must be preprograming you must be preprograming they must be preprograming
Perfect	V-ing perfect
I must have preprogramed you must have preprogramed he must have preprogramed we must have preprogramed you must have preprogramed they must have preprogramed	I must have been preprograming you must have been preprograming he must have been preprograming we must have been preprograming you must have been preprograming they must have been preprograming

Negation

Simple form	V-ing form
I must not preprogram you must not preprogram he must not preprogram we must not preprogram you must not preprogram they must not preprogram	I must not be preprograming you must not be preprograming he must not be preprograming we must not be preprograming you must not be preprograming they must not be preprograming
Perfect	V-ing perfect
I must not have preprogramed you must not have preprogramed he must not have preprogramed we must not have preprogramed you must not have preprogramed they must not have preprogramed	I must not have been preprograming you must not have been preprograming he must not have been preprograming we must not have been preprograming you must not have been preprograming they must not have been preprograming

Interrogative form

Simple form	V-ing form
must I preprogram? must you preprogram? must he preprogram? must we preprogram? must you preprogram? must they preprogram?	must I be preprograming? must you be preprograming? must he be preprograming? must we be preprograming? must you be preprograming? must they be preprograming?
Perfect	V-ing perfect
must I have preprogramed? must you have preprogramed? must he have preprogramed? must we have preprogramed? must you have preprogramed? must they have preprogramed?	must I have been preprograming? must you have been preprograming? must he have been preprograming? must we have been preprograming? must you have been preprograming? must they have been preprograming?

Interro-negative form

Simple form	V-ing form
must I not preprogram? must you not preprogram? must he not preprogram? must we not preprogram? must you not preprogram? must they not preprogram?	must I not be preprograming? must you not be preprograming? must he not be preprograming? must we not be preprograming? must you not be preprograming? must they not be preprograming?
Perfect	V-ing perfect
must I not have preprogramed? must you not have preprogramed? must he not have preprogramed? must we not have preprogramed? must you not have preprogramed? must they not have preprogramed?	must I not have been preprograming? must you not have been preprograming? must he not have been preprograming? must we not have been preprograming? must you not have been preprograming? must they not have been preprograming?