English verb conjugation
SHOULD HEADQUARTER

Regular verb: headquarter - headquartered - headquartered

Affirmation

Simple form	V-ing form
I should headquarter you should headquarter he should headquarter we should headquarter you should headquarter they should headquarter	I should be headquartering you should be headquartering he should be headquartering we should be headquartering you should be headquartering they should be headquartering
Perfect	V-ing perfect
I should have headquartered you should have headquartered he should have headquartered we should have headquartered you should have headquartered they should have headquartered	I should have been headquartering you should have been headquartering he should have been headquartering we should have been headquartering you should have been headquartering they should have been headquartering

Negation

Simple form	V-ing form
I should not headquarter you should not headquarter he should not headquarter we should not headquarter you should not headquarter they should not headquarter	I should not be headquartering you should not be headquartering he should not be headquartering we should not be headquartering you should not be headquartering they should not be headquartering
Perfect	V-ing perfect
I should not have headquartered you should not have headquartered he should not have headquartered we should not have headquartered you should not have headquartered they should not have headquartered	I should not have been headquartering you should not have been headquartering he should not have been headquartering we should not have been headquartering you should not have been headquartering they should not have been headquartering

Interrogative form

Simple form	V-ing form
should I headquarter? should you headquarter? should he headquarter? should we headquarter? should you headquarter? should they headquarter?	should I be headquartering? should you be headquartering? should he be headquartering? should we be headquartering? should you be headquartering? should they be headquartering?
Perfect	V-ing perfect
should I have headquartered? should you have headquartered? should he have headquartered? should we have headquartered? should you have headquartered? should they have headquartered?	should I have been headquartering? should you have been headquartering? should he have been headquartering? should we have been headquartering? should you have been headquartering? should they have been headquartering?

Interro-negative form

Simple form	V-ing form
should I not headquarter? should you not headquarter? should he not headquarter? should we not headquarter? should you not headquarter? should they not headquarter?	should I not be headquartering? should you not be headquartering? should he not be headquartering? should we not be headquartering? should you not be headquartering? should they not be headquartering?
Perfect	V-ing perfect
should I not have headquartered? should you not have headquartered? should he not have headquartered? should we not have headquartered? should you not have headquartered? should they not have headquartered?	should I not have been headquartering? should you not have been headquartering? should he not have been headquartering? should we not have been headquartering? should you not have been headquartering? should they not have been headquartering?