I may preschedule you may preschedule he may preschedule we may preschedule you may preschedule they may preschedule
V-ing form
I may be prescheduling you may be prescheduling he may be prescheduling we may be prescheduling you may be prescheduling they may be prescheduling
Perfect
I may have prescheduled you may have prescheduled he may have prescheduled we may have prescheduled you may have prescheduled they may have prescheduled
V-ing perfect
I may have been prescheduling you may have been prescheduling he may have been prescheduling we may have been prescheduling you may have been prescheduling they may have been prescheduling
Negation
Simple form
I mayn't preschedule you mayn't preschedule he mayn't preschedule we mayn't preschedule you mayn't preschedule they mayn't preschedule
V-ing form
I mayn't be prescheduling you mayn't be prescheduling he mayn't be prescheduling we mayn't be prescheduling you mayn't be prescheduling they mayn't be prescheduling
Perfect
I mayn't have prescheduled you mayn't have prescheduled he mayn't have prescheduled we mayn't have prescheduled you mayn't have prescheduled they mayn't have prescheduled
V-ing perfect
I mayn't have been prescheduling you mayn't have been prescheduling he mayn't have been prescheduling we mayn't have been prescheduling you mayn't have been prescheduling they mayn't have been prescheduling
Interrogative form
Simple form
may I preschedule? may you preschedule? may he preschedule? may we preschedule? may you preschedule? may they preschedule?
V-ing form
may I be prescheduling? may you be prescheduling? may he be prescheduling? may we be prescheduling? may you be prescheduling? may they be prescheduling?
Perfect
may I have prescheduled? may you have prescheduled? may he have prescheduled? may we have prescheduled? may you have prescheduled? may they have prescheduled?
V-ing perfect
may I have been prescheduling? may you have been prescheduling? may he have been prescheduling? may we have been prescheduling? may you have been prescheduling? may they have been prescheduling?
Interro-negative form
Simple form
mayn't I preschedule? mayn't you preschedule? mayn't he preschedule? mayn't we preschedule? mayn't you preschedule? mayn't they preschedule?
V-ing form
mayn't I be prescheduling? mayn't you be prescheduling? mayn't he be prescheduling? mayn't we be prescheduling? mayn't you be prescheduling? mayn't they be prescheduling?
Perfect
mayn't I have prescheduled? mayn't you have prescheduled? mayn't he have prescheduled? mayn't we have prescheduled? mayn't you have prescheduled? mayn't they have prescheduled?
V-ing perfect
mayn't I have been prescheduling? mayn't you have been prescheduling? mayn't he have been prescheduling? mayn't we have been prescheduling? mayn't you have been prescheduling? mayn't they have been prescheduling?