English verb conjugation
SHOULD COMMEMORATE

Regular verb: commemorate - commemorated - commemorated

Affirmation

Simple form	V-ing form
I should commemorate you should commemorate she should commemorate we should commemorate you should commemorate they should commemorate	I should be commemorating you should be commemorating she should be commemorating we should be commemorating you should be commemorating they should be commemorating
Perfect	V-ing perfect
I should have commemorated you should have commemorated she should have commemorated we should have commemorated you should have commemorated they should have commemorated	I should have been commemorating you should have been commemorating she should have been commemorating we should have been commemorating you should have been commemorating they should have been commemorating

Negation

Simple form	V-ing form
I should not commemorate you should not commemorate she should not commemorate we should not commemorate you should not commemorate they should not commemorate	I should not be commemorating you should not be commemorating she should not be commemorating we should not be commemorating you should not be commemorating they should not be commemorating
Perfect	V-ing perfect
I should not have commemorated you should not have commemorated she should not have commemorated we should not have commemorated you should not have commemorated they should not have commemorated	I should not have been commemorating you should not have been commemorating she should not have been commemorating we should not have been commemorating you should not have been commemorating they should not have been commemorating

Interrogative form

Simple form	V-ing form
should I commemorate? should you commemorate? should she commemorate? should we commemorate? should you commemorate? should they commemorate?	should I be commemorating? should you be commemorating? should she be commemorating? should we be commemorating? should you be commemorating? should they be commemorating?
Perfect	V-ing perfect
should I have commemorated? should you have commemorated? should she have commemorated? should we have commemorated? should you have commemorated? should they have commemorated?	should I have been commemorating? should you have been commemorating? should she have been commemorating? should we have been commemorating? should you have been commemorating? should they have been commemorating?

Interro-negative form

Simple form	V-ing form
should I not commemorate? should you not commemorate? should she not commemorate? should we not commemorate? should you not commemorate? should they not commemorate?	should I not be commemorating? should you not be commemorating? should she not be commemorating? should we not be commemorating? should you not be commemorating? should they not be commemorating?
Perfect	V-ing perfect
should I not have commemorated? should you not have commemorated? should she not have commemorated? should we not have commemorated? should you not have commemorated? should they not have commemorated?	should I not have been commemorating? should you not have been commemorating? should she not have been commemorating? should we not have been commemorating? should you not have been commemorating? should they not have been commemorating?