English verb conjugation
SHOULD EXCHANGE

Regular verb: exchange - exchanged - exchanged

Affirmation

Simple form	V-ing form
I should exchange you should exchange he should exchange we should exchange you should exchange they should exchange	I should be exchanging you should be exchanging he should be exchanging we should be exchanging you should be exchanging they should be exchanging
Perfect	V-ing perfect
I should have exchanged you should have exchanged he should have exchanged we should have exchanged you should have exchanged they should have exchanged	I should have been exchanging you should have been exchanging he should have been exchanging we should have been exchanging you should have been exchanging they should have been exchanging

Negation

Simple form	V-ing form
I should not exchange you should not exchange he should not exchange we should not exchange you should not exchange they should not exchange	I should not be exchanging you should not be exchanging he should not be exchanging we should not be exchanging you should not be exchanging they should not be exchanging
Perfect	V-ing perfect
I should not have exchanged you should not have exchanged he should not have exchanged we should not have exchanged you should not have exchanged they should not have exchanged	I should not have been exchanging you should not have been exchanging he should not have been exchanging we should not have been exchanging you should not have been exchanging they should not have been exchanging

Interrogative form

Simple form	V-ing form
should I exchange? should you exchange? should he exchange? should we exchange? should you exchange? should they exchange?	should I be exchanging? should you be exchanging? should he be exchanging? should we be exchanging? should you be exchanging? should they be exchanging?
Perfect	V-ing perfect
should I have exchanged? should you have exchanged? should he have exchanged? should we have exchanged? should you have exchanged? should they have exchanged?	should I have been exchanging? should you have been exchanging? should he have been exchanging? should we have been exchanging? should you have been exchanging? should they have been exchanging?

Interro-negative form

Simple form	V-ing form
should I not exchange? should you not exchange? should he not exchange? should we not exchange? should you not exchange? should they not exchange?	should I not be exchanging? should you not be exchanging? should he not be exchanging? should we not be exchanging? should you not be exchanging? should they not be exchanging?
Perfect	V-ing perfect
should I not have exchanged? should you not have exchanged? should he not have exchanged? should we not have exchanged? should you not have exchanged? should they not have exchanged?	should I not have been exchanging? should you not have been exchanging? should he not have been exchanging? should we not have been exchanging? should you not have been exchanging? should they not have been exchanging?