English verb conjugation
OUGHT TO PREWASH

Regular verb: prewash - prewashed - prewashed

Affirmation

Simple form	V-ing form
I ought to prewash you ought to prewash she ought to prewash we ought to prewash you ought to prewash they ought to prewash	I ought to be prewashing you ought to be prewashing she ought to be prewashing we ought to be prewashing you ought to be prewashing they ought to be prewashing
Perfect	V-ing perfect
I ought to have prewashed you ought to have prewashed she ought to have prewashed we ought to have prewashed you ought to have prewashed they ought to have prewashed	I ought to have been prewashing you ought to have been prewashing she ought to have been prewashing we ought to have been prewashing you ought to have been prewashing they ought to have been prewashing

Negation

Simple form	V-ing form
I oughtn't to prewash you oughtn't to prewash she oughtn't to prewash we oughtn't to prewash you oughtn't to prewash they oughtn't to prewash	I oughtn't to be prewashing you oughtn't to be prewashing she oughtn't to be prewashing we oughtn't to be prewashing you oughtn't to be prewashing they oughtn't to be prewashing
Perfect	V-ing perfect
I oughtn't to have prewashed you oughtn't to have prewashed she oughtn't to have prewashed we oughtn't to have prewashed you oughtn't to have prewashed they oughtn't to have prewashed	I oughtn't to have been prewashing you oughtn't to have been prewashing she oughtn't to have been prewashing we oughtn't to have been prewashing you oughtn't to have been prewashing they oughtn't to have been prewashing

Interrogative form

Simple form	V-ing form
ought to I prewash? ought to you prewash? ought to she prewash? ought to we prewash? ought to you prewash? ought to they prewash?	ought to I be prewashing? ought to you be prewashing? ought to she be prewashing? ought to we be prewashing? ought to you be prewashing? ought to they be prewashing?
Perfect	V-ing perfect
ought to I have prewashed? ought to you have prewashed? ought to she have prewashed? ought to we have prewashed? ought to you have prewashed? ought to they have prewashed?	ought to I have been prewashing? ought to you have been prewashing? ought to she have been prewashing? ought to we have been prewashing? ought to you have been prewashing? ought to they have been prewashing?

Interro-negative form

Simple form	V-ing form
oughtn't I to prewash? oughtn't you to prewash? oughtn't she to prewash? oughtn't we to prewash? oughtn't you to prewash? oughtn't they to prewash?	oughtn't I to be prewashing? oughtn't you to be prewashing? oughtn't she to be prewashing? oughtn't we to be prewashing? oughtn't you to be prewashing? oughtn't they to be prewashing?
Perfect	V-ing perfect
oughtn't I to have prewashed? oughtn't you to have prewashed? oughtn't she to have prewashed? oughtn't we to have prewashed? oughtn't you to have prewashed? oughtn't they to have prewashed?	oughtn't I to have been prewashing? oughtn't you to have been prewashing? oughtn't she to have been prewashing? oughtn't we to have been prewashing? oughtn't you to have been prewashing? oughtn't they to have been prewashing?