English verb conjugation
OUGHT TO PREWEIGH

Regular verb: preweigh - preweighed - preweighed

Affirmation

Simple form	V-ing form
I ought to preweigh you ought to preweigh he ought to preweigh we ought to preweigh you ought to preweigh they ought to preweigh	I ought to be preweighing you ought to be preweighing he ought to be preweighing we ought to be preweighing you ought to be preweighing they ought to be preweighing
Perfect	V-ing perfect
I ought to have preweighed you ought to have preweighed he ought to have preweighed we ought to have preweighed you ought to have preweighed they ought to have preweighed	I ought to have been preweighing you ought to have been preweighing he ought to have been preweighing we ought to have been preweighing you ought to have been preweighing they ought to have been preweighing

Negation

Simple form	V-ing form
I oughtn't to preweigh you oughtn't to preweigh he oughtn't to preweigh we oughtn't to preweigh you oughtn't to preweigh they oughtn't to preweigh	I oughtn't to be preweighing you oughtn't to be preweighing he oughtn't to be preweighing we oughtn't to be preweighing you oughtn't to be preweighing they oughtn't to be preweighing
Perfect	V-ing perfect
I oughtn't to have preweighed you oughtn't to have preweighed he oughtn't to have preweighed we oughtn't to have preweighed you oughtn't to have preweighed they oughtn't to have preweighed	I oughtn't to have been preweighing you oughtn't to have been preweighing he oughtn't to have been preweighing we oughtn't to have been preweighing you oughtn't to have been preweighing they oughtn't to have been preweighing

Interrogative form

Simple form	V-ing form
ought to I preweigh? ought to you preweigh? ought to he preweigh? ought to we preweigh? ought to you preweigh? ought to they preweigh?	ought to I be preweighing? ought to you be preweighing? ought to he be preweighing? ought to we be preweighing? ought to you be preweighing? ought to they be preweighing?
Perfect	V-ing perfect
ought to I have preweighed? ought to you have preweighed? ought to he have preweighed? ought to we have preweighed? ought to you have preweighed? ought to they have preweighed?	ought to I have been preweighing? ought to you have been preweighing? ought to he have been preweighing? ought to we have been preweighing? ought to you have been preweighing? ought to they have been preweighing?

Interro-negative form

Simple form	V-ing form
oughtn't I to preweigh? oughtn't you to preweigh? oughtn't he to preweigh? oughtn't we to preweigh? oughtn't you to preweigh? oughtn't they to preweigh?	oughtn't I to be preweighing? oughtn't you to be preweighing? oughtn't he to be preweighing? oughtn't we to be preweighing? oughtn't you to be preweighing? oughtn't they to be preweighing?
Perfect	V-ing perfect
oughtn't I to have preweighed? oughtn't you to have preweighed? oughtn't he to have preweighed? oughtn't we to have preweighed? oughtn't you to have preweighed? oughtn't they to have preweighed?	oughtn't I to have been preweighing? oughtn't you to have been preweighing? oughtn't he to have been preweighing? oughtn't we to have been preweighing? oughtn't you to have been preweighing? oughtn't they to have been preweighing?