I may headquarter you may headquarter she may headquarter we may headquarter you may headquarter they may headquarter
V-ing form
I may be headquartering you may be headquartering she may be headquartering we may be headquartering you may be headquartering they may be headquartering
Perfect
I may have headquartered you may have headquartered she may have headquartered we may have headquartered you may have headquartered they may have headquartered
V-ing perfect
I may have been headquartering you may have been headquartering she may have been headquartering we may have been headquartering you may have been headquartering they may have been headquartering
Negation
Simple form
I may not headquarter you may not headquarter she may not headquarter we may not headquarter you may not headquarter they may not headquarter
V-ing form
I may not be headquartering you may not be headquartering she may not be headquartering we may not be headquartering you may not be headquartering they may not be headquartering
Perfect
I may not have headquartered you may not have headquartered she may not have headquartered we may not have headquartered you may not have headquartered they may not have headquartered
V-ing perfect
I may not have been headquartering you may not have been headquartering she may not have been headquartering we may not have been headquartering you may not have been headquartering they may not have been headquartering
Interrogative form
Simple form
may I headquarter? may you headquarter? may she headquarter? may we headquarter? may you headquarter? may they headquarter?
V-ing form
may I be headquartering? may you be headquartering? may she be headquartering? may we be headquartering? may you be headquartering? may they be headquartering?
Perfect
may I have headquartered? may you have headquartered? may she have headquartered? may we have headquartered? may you have headquartered? may they have headquartered?
V-ing perfect
may I have been headquartering? may you have been headquartering? may she have been headquartering? may we have been headquartering? may you have been headquartering? may they have been headquartering?
Interro-negative form
Simple form
may I not headquarter? may you not headquarter? may she not headquarter? may we not headquarter? may you not headquarter? may they not headquarter?
V-ing form
may I not be headquartering? may you not be headquartering? may she not be headquartering? may we not be headquartering? may you not be headquartering? may they not be headquartering?
Perfect
may I not have headquartered? may you not have headquartered? may she not have headquartered? may we not have headquartered? may you not have headquartered? may they not have headquartered?
V-ing perfect
may I not have been headquartering? may you not have been headquartering? may she not have been headquartering? may we not have been headquartering? may you not have been headquartering? may they not have been headquartering?