I can preschedule you can preschedule he can preschedule we can preschedule you can preschedule they can preschedule
V-ing form
I can be prescheduling you can be prescheduling he can be prescheduling we can be prescheduling you can be prescheduling they can be prescheduling
Perfect
I can have prescheduled you can have prescheduled he can have prescheduled we can have prescheduled you can have prescheduled they can have prescheduled
V-ing perfect
I can have been prescheduling you can have been prescheduling he can have been prescheduling we can have been prescheduling you can have been prescheduling they can have been prescheduling
Negation
Simple form
I cannot preschedule you cannot preschedule he cannot preschedule we cannot preschedule you cannot preschedule they cannot preschedule
V-ing form
I cannot be prescheduling you cannot be prescheduling he cannot be prescheduling we cannot be prescheduling you cannot be prescheduling they cannot be prescheduling
Perfect
I cannot have prescheduled you cannot have prescheduled he cannot have prescheduled we cannot have prescheduled you cannot have prescheduled they cannot have prescheduled
V-ing perfect
I cannot have been prescheduling you cannot have been prescheduling he cannot have been prescheduling we cannot have been prescheduling you cannot have been prescheduling they cannot have been prescheduling
Interrogative form
Simple form
can I preschedule? can you preschedule? can he preschedule? can we preschedule? can you preschedule? can they preschedule?
V-ing form
can I be prescheduling? can you be prescheduling? can he be prescheduling? can we be prescheduling? can you be prescheduling? can they be prescheduling?
Perfect
can I have prescheduled? can you have prescheduled? can he have prescheduled? can we have prescheduled? can you have prescheduled? can they have prescheduled?
V-ing perfect
can I have been prescheduling? can you have been prescheduling? can he have been prescheduling? can we have been prescheduling? can you have been prescheduling? can they have been prescheduling?
Interro-negative form
Simple form
can I not preschedule? can you not preschedule? can he not preschedule? can we not preschedule? can you not preschedule? can they not preschedule?
V-ing form
can I not be prescheduling? can you not be prescheduling? can he not be prescheduling? can we not be prescheduling? can you not be prescheduling? can they not be prescheduling?
Perfect
can I not have prescheduled? can you not have prescheduled? can he not have prescheduled? can we not have prescheduled? can you not have prescheduled? can they not have prescheduled?
V-ing perfect
can I not have been prescheduling? can you not have been prescheduling? can he not have been prescheduling? can we not have been prescheduling? can you not have been prescheduling? can they not have been prescheduling?