ought to preschedule
Regular verb: preschedule - prescheduled- prescheduled

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to preschedule
you oughtn't to preschedule
he oughtn't to preschedule
we oughtn't to preschedule
you oughtn't to preschedule
they oughtn't to preschedule 	I oughtn't to be prescheduling
you oughtn't to be prescheduling
he oughtn't to be prescheduling
we oughtn't to be prescheduling
you oughtn't to be prescheduling
they oughtn't to be prescheduling	I oughtn't to have prescheduled
you oughtn't to have prescheduled
he oughtn't to have prescheduled
we oughtn't to have prescheduled
you oughtn't to have prescheduled
they oughtn't to have prescheduled	I oughtn't to have been prescheduling
you oughtn't to have been prescheduling
he oughtn't to have been prescheduling
we oughtn't to have been prescheduling
you oughtn't to have been prescheduling
they oughtn't to have been prescheduling	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to preschedule?
oughtn't you to preschedule?
oughtn't he to preschedule?
oughtn't we to preschedule?
oughtn't you to preschedule?
oughtn't they to preschedule? 	oughtn't I to be prescheduling?
oughtn't you to be prescheduling?
oughtn't he to be prescheduling?
oughtn't we to be prescheduling?
oughtn't you to be prescheduling?
oughtn't they to be prescheduling? 	oughtn't I to have prescheduled?
oughtn't you to have prescheduled?
oughtn't he to have prescheduled?
oughtn't we to have prescheduled?
oughtn't you to have prescheduled?
oughtn't they to have prescheduled? 	oughtn't I to have been prescheduling?
oughtn't you to have been prescheduling?
oughtn't he to have been prescheduling?
oughtn't we to have been prescheduling?
oughtn't you to have been prescheduling?
oughtn't they to have been prescheduling?