I headquarter you headquarter he headquarters we headquarter you headquarter they headquarter
Present continuous
I am headquartering you are headquartering he is headquartering we are headquartering you are headquartering they are headquartering
Preterite
I headquartered you headquartered he headquartered we headquartered you headquartered they headquartered
Preterite continuous
I was headquartering you were headquartering he was headquartering we were headquartering you were headquartering they were headquartering
Present perfect
I have headquartered you have headquartered he has headquartered we have headquartered you have headquartered they have headquartered
Present perfect continuous
I have been headquartering you have been headquartering he has been headquartering we have been headquartering you have been headquartering they have been headquartering
Pluperfect
I had headquartered you had headquartered he had headquartered we had headquartered you had headquartered they had headquartered
Pluperfect continuous
I had been headquartering you had been headquartering he had been headquartering we had been headquartering you had been headquartering they had been headquartering
Future
I will headquarter you will headquarter he will headquarter we will headquarter you will headquarter they will headquarter
Future continuous
I will be headquartering you will be headquartering he will be headquartering we will be headquartering you will be headquartering they will be headquartering
Future perfect
I will have headquartered you will have headquartered he will have headquartered we will have headquartered you will have headquartered they will have headquartered
Future perfect continuous
I will have been headquartering you will have been headquartering he will have been headquartering we will have been headquartering you will have been headquartering they will have been headquartering
Conditional
Present
I would headquarter you would headquarter he would headquarter we would headquarter you would headquarter they would headquarter
Present continuous
I would be headquartering you would be headquartering he would be headquartering we would be headquartering you would be headquartering they would be headquartering
Past
I would have headquartered you would have headquartered he would have headquartered we would have headquartered you would have headquartered they would have headquartered
Past continuous
I would have been headquartering you would have been headquartering he would have been headquartering we would have been headquartering you would have been headquartering they would have been headquartering