This verb follows the standard English past tense rule: simply add -ed to the base form.
Headquarters is regular. It follows the Standard -ed rule.
Use past time markers: "Yesterday, she headquartersed to the store."
No. Use "did not headquarters" (not "did not headquartersed").
The verb headquarters follows the standard English past tense conjugation rule. When forming the past tense, headquarters becomes headquartersed. This follows the Standard -ed pattern, which is one of the most common conjugation rules in English.
Understanding why headquarters becomes headquartersed helps with spelling and pronunciation. This verb follows the standard English past tense rule: simply add -ed to the base form.
When using headquartersed in writing, remember that it functions as a past tense verb and typically appears with time markers like yesterday, last week, or ago. For example: "Yesterday, she headquartersed to the store." The past tense form does not change based on the subject — I headquartersed, you headquartersed, he/she headquartersed, we headquartersed, they headquartersed.