English verb conjugation
SHOULD CONCUSS

Regular verb: concuss - concussed - concussed

Affirmation

Simple form	V-ing form
I should concuss you should concuss he should concuss we should concuss you should concuss they should concuss	I should be concussing you should be concussing he should be concussing we should be concussing you should be concussing they should be concussing
Perfect	V-ing perfect
I should have concussed you should have concussed he should have concussed we should have concussed you should have concussed they should have concussed	I should have been concussing you should have been concussing he should have been concussing we should have been concussing you should have been concussing they should have been concussing

Negation

Simple form	V-ing form
I should not concuss you should not concuss he should not concuss we should not concuss you should not concuss they should not concuss	I should not be concussing you should not be concussing he should not be concussing we should not be concussing you should not be concussing they should not be concussing
Perfect	V-ing perfect
I should not have concussed you should not have concussed he should not have concussed we should not have concussed you should not have concussed they should not have concussed	I should not have been concussing you should not have been concussing he should not have been concussing we should not have been concussing you should not have been concussing they should not have been concussing

Interrogative form

Simple form	V-ing form
should I concuss? should you concuss? should he concuss? should we concuss? should you concuss? should they concuss?	should I be concussing? should you be concussing? should he be concussing? should we be concussing? should you be concussing? should they be concussing?
Perfect	V-ing perfect
should I have concussed? should you have concussed? should he have concussed? should we have concussed? should you have concussed? should they have concussed?	should I have been concussing? should you have been concussing? should he have been concussing? should we have been concussing? should you have been concussing? should they have been concussing?

Interro-negative form

Simple form	V-ing form
should I not concuss? should you not concuss? should he not concuss? should we not concuss? should you not concuss? should they not concuss?	should I not be concussing? should you not be concussing? should he not be concussing? should we not be concussing? should you not be concussing? should they not be concussing?
Perfect	V-ing perfect
should I not have concussed? should you not have concussed? should he not have concussed? should we not have concussed? should you not have concussed? should they not have concussed?	should I not have been concussing? should you not have been concussing? should he not have been concussing? should we not have been concussing? should you not have been concussing? should they not have been concussing?