English verb conjugation
MUST PRESCHEDULE

Regular verb: preschedule - prescheduled - prescheduled

Affirmation

Simple form	V-ing form
I must preschedule you must preschedule he must preschedule we must preschedule you must preschedule they must preschedule	I must be prescheduling you must be prescheduling he must be prescheduling we must be prescheduling you must be prescheduling they must be prescheduling
Perfect	V-ing perfect
I must have prescheduled you must have prescheduled he must have prescheduled we must have prescheduled you must have prescheduled they must have prescheduled	I must have been prescheduling you must have been prescheduling he must have been prescheduling we must have been prescheduling you must have been prescheduling they must have been prescheduling

Negation

Simple form	V-ing form
I must not preschedule you must not preschedule he must not preschedule we must not preschedule you must not preschedule they must not preschedule	I must not be prescheduling you must not be prescheduling he must not be prescheduling we must not be prescheduling you must not be prescheduling they must not be prescheduling
Perfect	V-ing perfect
I must not have prescheduled you must not have prescheduled he must not have prescheduled we must not have prescheduled you must not have prescheduled they must not have prescheduled	I must not have been prescheduling you must not have been prescheduling he must not have been prescheduling we must not have been prescheduling you must not have been prescheduling they must not have been prescheduling

Interrogative form

Simple form	V-ing form
must I preschedule? must you preschedule? must he preschedule? must we preschedule? must you preschedule? must they preschedule?	must I be prescheduling? must you be prescheduling? must he be prescheduling? must we be prescheduling? must you be prescheduling? must they be prescheduling?
Perfect	V-ing perfect
must I have prescheduled? must you have prescheduled? must he have prescheduled? must we have prescheduled? must you have prescheduled? must they have prescheduled?	must I have been prescheduling? must you have been prescheduling? must he have been prescheduling? must we have been prescheduling? must you have been prescheduling? must they have been prescheduling?

Interro-negative form

Simple form	V-ing form
must I not preschedule? must you not preschedule? must he not preschedule? must we not preschedule? must you not preschedule? must they not preschedule?	must I not be prescheduling? must you not be prescheduling? must he not be prescheduling? must we not be prescheduling? must you not be prescheduling? must they not be prescheduling?
Perfect	V-ing perfect
must I not have prescheduled? must you not have prescheduled? must he not have prescheduled? must we not have prescheduled? must you not have prescheduled? must they not have prescheduled?	must I not have been prescheduling? must you not have been prescheduling? must he not have been prescheduling? must we not have been prescheduling? must you not have been prescheduling? must they not have been prescheduling?