ought to prework
Verbo regular: prework - preworked- preworked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to prework
you ought to prework
she ought to prework
we ought to prework
you ought to prework
they ought to prework 	I ought to be preworking
you ought to be preworking
she ought to be preworking
we ought to be preworking
you ought to be preworking
they ought to be preworking	I ought to have preworked
you ought to have preworked
she ought to have preworked
we ought to have preworked
you ought to have preworked
they ought to have preworked	I ought to have been preworking
you ought to have been preworking
she ought to have been preworking
we ought to have been preworking
you ought to have been preworking
they ought to have been preworking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to prework
you ought not to prework
she ought not to prework
we ought not to prework
you ought not to prework
they ought not to prework 	I ought not to preworking
you ought not to preworking
she ought not to preworking
we ought not to preworking
you ought not to preworking
they ought not to preworking	I ought not to have preworked
you ought not to have preworked
she ought not to have preworked
we ought not to have preworked
you ought not to have preworked
they ought not to have preworked	I ought not to have been preworking
you ought not to have been preworking
she ought not to have been preworking
we ought not to have been preworking
you ought not to have been preworking
they ought not to have been preworking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I prework?
ought to you prework?
ought to she prework?
ought to we prework?
ought to you prework?
ought to they prework? 	ought to I be preworking?
ought to you be preworking?
ought to she be preworking?
ought to we be preworking?
ought to you be preworking?
ought to they be preworking? 	ought to I have preworked?
ought to you have preworked?
ought to she have preworked?
ought to we have preworked?
ought to you have preworked?
ought to they have preworked? 	ought to I have been preworking?
ought to you have been preworking?
ought to she have been preworking?
ought to we have been preworking?
ought to you have been preworking?
ought to they have been preworking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to prework?
ought you not to prework?
ought she not to prework?
ought we not to prework?
ought you not to prework?
ought they not to prework? 	ought I not to be preworking?
ought you not to be preworking?
ought she not to be preworking?
ought we not to be preworking?
ought you not to be preworking?
ought they not to be preworking? 	ought I not to have preworked?
ought you not to have preworked?
ought she not to have preworked?
ought we not to have preworked?
ought you not to have preworked?
ought they not to have preworked? 	ought I not to have been preworking?
ought you not to have been preworking?
ought she not to have been preworking?
ought we not to have been preworking?
ought you not to have been preworking?
ought they not to have been preworking?