| Simple | Progressive | Perfect | Progressive |
| Present |
| I headquarter |
| you headquarter |
| he/she/it headquarters |
| we headquarter |
| you all headquarter |
| they headquarter |
|
| I am headquartering |
| you are headquartering |
| he/she/it is headquartering |
| we are headquartering |
| you all are headquartering |
| they are headquartering |
|
| I have headquartered |
| you have headquartered |
| he/she/it has headquartered |
| we have headquartered |
| you all have headquartered |
| they have headquartered |
|
| I have been headquartering |
| you have been headquartering |
| he/she/it has been headquartering |
| we have been headquartering |
| you all have been headquartering |
| they have been headquartering |
|
| Past |
| I headquartered |
| you headquartered |
| he/she/it headquartered |
| we headquartered |
| you all headquartered |
| they headquartered |
|
| I was headquartering |
| you were headquartering |
| he/she/it was headquartering |
| we were headquartering |
| you all were headquartering |
| they were headquartering |
|
| I had headquartered |
| you had headquartered |
| he/she/it had headquartered |
| we had headquartered |
| you all had headquartered |
| they had headquartered |
|
| I had been headquartering |
| you had been headquartering |
| he/she/it had been headquartering |
| we had been headquartering |
| you all had been headquartering |
| they had been headquartering |
|
| Future |
| I will headquarter |
| you will headquarter |
| he/she/it will headquarter |
| we will headquarter |
| you all will headquarter |
| they will headquarter |
|
| I will be headquartering |
| you will be headquartering |
| he/she/it will be headquartering |
| we are headquartering |
| you all will be headquartering |
| they will be headquartering |
|
| I will have headquartered |
| you will have headquartered |
| he/she/it will have headquartered |
| we will have headquartered |
| you all will have headquartered |
| they will have headquartered |
|
| I will have been headquartering |
| you will have been headquartering |
| he/she/it will have been headquartering |
| we will have been headquartering |
| you all will have been headquartering |
| they will have been headquartering |
|
