English verb conjugation
SHOULD PREEXCHANGE

Regular verb: preexchange - preexchanged - preexchanged

Affirmation

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

Negation

Simple form	V-ing form
I should not preexchange you should not preexchange he should not preexchange we should not preexchange you should not preexchange they should not preexchange	I should not be preexchanging you should not be preexchanging he should not be preexchanging we should not be preexchanging you should not be preexchanging they should not be preexchanging
Perfect	V-ing perfect
I should not have preexchanged you should not have preexchanged he should not have preexchanged we should not have preexchanged you should not have preexchanged they should not have preexchanged	I should not have been preexchanging you should not have been preexchanging he should not have been preexchanging we should not have been preexchanging you should not have been preexchanging they should not have been preexchanging

Interrogative form

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

Interro-negative form

Simple form	V-ing form
should I not preexchange? should you not preexchange? should he not preexchange? should we not preexchange? should you not preexchange? should they not preexchange?	should I not be preexchanging? should you not be preexchanging? should he not be preexchanging? should we not be preexchanging? should you not be preexchanging? should they not be preexchanging?
Perfect	V-ing perfect
should I not have preexchanged? should you not have preexchanged? should he not have preexchanged? should we not have preexchanged? should you not have preexchanged? should they not have preexchanged?	should I not have been preexchanging? should you not have been preexchanging? should he not have been preexchanging? should we not have been preexchanging? should you not have been preexchanging? should they not have been preexchanging?