ought to preplan
Verbo regular: preplan - preplaned- preplaned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to preplan
you ought to preplan
he ought to preplan
we ought to preplan
you ought to preplan
they ought to preplan 	I ought to be preplaning
you ought to be preplaning
he ought to be preplaning
we ought to be preplaning
you ought to be preplaning
they ought to be preplaning	I ought to have preplaned
you ought to have preplaned
he ought to have preplaned
we ought to have preplaned
you ought to have preplaned
they ought to have preplaned	I ought to have been preplaning
you ought to have been preplaning
he ought to have been preplaning
we ought to have been preplaning
you ought to have been preplaning
they ought to have been preplaning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to preplan
you oughtn't to preplan
he oughtn't to preplan
we oughtn't to preplan
you oughtn't to preplan
they oughtn't to preplan 	I oughtn't to be preplaning
you oughtn't to be preplaning
he oughtn't to be preplaning
we oughtn't to be preplaning
you oughtn't to be preplaning
they oughtn't to be preplaning	I oughtn't to have preplaned
you oughtn't to have preplaned
he oughtn't to have preplaned
we oughtn't to have preplaned
you oughtn't to have preplaned
they oughtn't to have preplaned	I oughtn't to have been preplaning
you oughtn't to have been preplaning
he oughtn't to have been preplaning
we oughtn't to have been preplaning
you oughtn't to have been preplaning
they oughtn't to have been preplaning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I preplan?
ought to you preplan?
ought to he preplan?
ought to we preplan?
ought to you preplan?
ought to they preplan? 	ought to I be preplaning?
ought to you be preplaning?
ought to he be preplaning?
ought to we be preplaning?
ought to you be preplaning?
ought to they be preplaning? 	ought to I have preplaned?
ought to you have preplaned?
ought to he have preplaned?
ought to we have preplaned?
ought to you have preplaned?
ought to they have preplaned? 	ought to I have been preplaning?
ought to you have been preplaning?
ought to he have been preplaning?
ought to we have been preplaning?
ought to you have been preplaning?
ought to they have been preplaning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to preplan?
oughtn't you to preplan?
oughtn't he to preplan?
oughtn't we to preplan?
oughtn't you to preplan?
oughtn't they to preplan? 	oughtn't I to be preplaning?
oughtn't you to be preplaning?
oughtn't he to be preplaning?
oughtn't we to be preplaning?
oughtn't you to be preplaning?
oughtn't they to be preplaning? 	oughtn't I to have preplaned?
oughtn't you to have preplaned?
oughtn't he to have preplaned?
oughtn't we to have preplaned?
oughtn't you to have preplaned?
oughtn't they to have preplaned? 	oughtn't I to have been preplaning?
oughtn't you to have been preplaning?
oughtn't he to have been preplaning?
oughtn't we to have been preplaning?
oughtn't you to have been preplaning?
oughtn't they to have been preplaning?