English verb conjugation
SHOULD KO

Regular verb: ko - koed - koed

Affirmation

Simple form	V-ing form
I should ko you should ko she should ko we should ko you should ko they should ko	I should be koing you should be koing she should be koing we should be koing you should be koing they should be koing
Perfect	V-ing perfect
I should have koed you should have koed she should have koed we should have koed you should have koed they should have koed	I should have been koing you should have been koing she should have been koing we should have been koing you should have been koing they should have been koing

Negation

Simple form	V-ing form
I should not ko you should not ko she should not ko we should not ko you should not ko they should not ko	I should not be koing you should not be koing she should not be koing we should not be koing you should not be koing they should not be koing
Perfect	V-ing perfect
I should not have koed you should not have koed she should not have koed we should not have koed you should not have koed they should not have koed	I should not have been koing you should not have been koing she should not have been koing we should not have been koing you should not have been koing they should not have been koing

Interrogative form

Simple form	V-ing form
should I ko? should you ko? should she ko? should we ko? should you ko? should they ko?	should I be koing? should you be koing? should she be koing? should we be koing? should you be koing? should they be koing?
Perfect	V-ing perfect
should I have koed? should you have koed? should she have koed? should we have koed? should you have koed? should they have koed?	should I have been koing? should you have been koing? should she have been koing? should we have been koing? should you have been koing? should they have been koing?

Interro-negative form

Simple form	V-ing form
should I not ko? should you not ko? should she not ko? should we not ko? should you not ko? should they not ko?	should I not be koing? should you not be koing? should she not be koing? should we not be koing? should you not be koing? should they not be koing?
Perfect	V-ing perfect
should I not have koed? should you not have koed? should she not have koed? should we not have koed? should you not have koed? should they not have koed?	should I not have been koing? should you not have been koing? should she not have been koing? should we not have been koing? should you not have been koing? should they not have been koing?