English verb conjugation
OUGHT TO PREEXCHANGE

Regular verb: preexchange - preexchanged - preexchanged

Affirmation

Simple form	V-ing form
I ought to preexchange you ought to preexchange he ought to preexchange we ought to preexchange you ought to preexchange they ought to preexchange	I ought to be preexchanging you ought to be preexchanging he ought to be preexchanging we ought to be preexchanging you ought to be preexchanging they ought to be preexchanging
Perfect	V-ing perfect
I ought to have preexchanged you ought to have preexchanged he ought to have preexchanged we ought to have preexchanged you ought to have preexchanged they ought to have preexchanged	I ought to have been preexchanging you ought to have been preexchanging he ought to have been preexchanging we ought to have been preexchanging you ought to have been preexchanging they ought to have been preexchanging

Negation

Simple form	V-ing form
I oughtn't to preexchange you oughtn't to preexchange he oughtn't to preexchange we oughtn't to preexchange you oughtn't to preexchange they oughtn't to preexchange	I oughtn't to be preexchanging you oughtn't to be preexchanging he oughtn't to be preexchanging we oughtn't to be preexchanging you oughtn't to be preexchanging they oughtn't to be preexchanging
Perfect	V-ing perfect
I oughtn't to have preexchanged you oughtn't to have preexchanged he oughtn't to have preexchanged we oughtn't to have preexchanged you oughtn't to have preexchanged they oughtn't to have preexchanged	I oughtn't to have been preexchanging you oughtn't to have been preexchanging he oughtn't to have been preexchanging we oughtn't to have been preexchanging you oughtn't to have been preexchanging they oughtn't to have been preexchanging

Interrogative form

Simple form	V-ing form
ought to I preexchange? ought to you preexchange? ought to he preexchange? ought to we preexchange? ought to you preexchange? ought to they preexchange?	ought to I be preexchanging? ought to you be preexchanging? ought to he be preexchanging? ought to we be preexchanging? ought to you be preexchanging? ought to they be preexchanging?
Perfect	V-ing perfect
ought to I have preexchanged? ought to you have preexchanged? ought to he have preexchanged? ought to we have preexchanged? ought to you have preexchanged? ought to they have preexchanged?	ought to I have been preexchanging? ought to you have been preexchanging? ought to he have been preexchanging? ought to we have been preexchanging? ought to you have been preexchanging? ought to they have been preexchanging?

Interro-negative form

Simple form	V-ing form
oughtn't I to preexchange? oughtn't you to preexchange? oughtn't he to preexchange? oughtn't we to preexchange? oughtn't you to preexchange? oughtn't they to preexchange?	oughtn't I to be preexchanging? oughtn't you to be preexchanging? oughtn't he to be preexchanging? oughtn't we to be preexchanging? oughtn't you to be preexchanging? oughtn't they to be preexchanging?
Perfect	V-ing perfect
oughtn't I to have preexchanged? oughtn't you to have preexchanged? oughtn't he to have preexchanged? oughtn't we to have preexchanged? oughtn't you to have preexchanged? oughtn't they to have preexchanged?	oughtn't I to have been preexchanging? oughtn't you to have been preexchanging? oughtn't he to have been preexchanging? oughtn't we to have been preexchanging? oughtn't you to have been preexchanging? oughtn't they to have been preexchanging?