English verb conjugation
SHOULD HAVEN

Regular verb: haven - havened - havened

Affirmation

Simple form	V-ing form
I should haven you should haven he should haven we should haven you should haven they should haven	I should be havening you should be havening he should be havening we should be havening you should be havening they should be havening
Perfect	V-ing perfect
I should have havened you should have havened he should have havened we should have havened you should have havened they should have havened	I should have been havening you should have been havening he should have been havening we should have been havening you should have been havening they should have been havening

Negation

Simple form	V-ing form
I should not haven you should not haven he should not haven we should not haven you should not haven they should not haven	I should not be havening you should not be havening he should not be havening we should not be havening you should not be havening they should not be havening
Perfect	V-ing perfect
I should not have havened you should not have havened he should not have havened we should not have havened you should not have havened they should not have havened	I should not have been havening you should not have been havening he should not have been havening we should not have been havening you should not have been havening they should not have been havening

Interrogative form

Simple form	V-ing form
should I haven? should you haven? should he haven? should we haven? should you haven? should they haven?	should I be havening? should you be havening? should he be havening? should we be havening? should you be havening? should they be havening?
Perfect	V-ing perfect
should I have havened? should you have havened? should he have havened? should we have havened? should you have havened? should they have havened?	should I have been havening? should you have been havening? should he have been havening? should we have been havening? should you have been havening? should they have been havening?

Interro-negative form

Simple form	V-ing form
should I not haven? should you not haven? should he not haven? should we not haven? should you not haven? should they not haven?	should I not be havening? should you not be havening? should he not be havening? should we not be havening? should you not be havening? should they not be havening?
Perfect	V-ing perfect
should I not have havened? should you not have havened? should he not have havened? should we not have havened? should you not have havened? should they not have havened?	should I not have been havening? should you not have been havening? should he not have been havening? should we not have been havening? should you not have been havening? should they not have been havening?