This verb follows the standard English past tense rule: simply add -ed to the base form.
Their is regular. It follows the Standard -ed rule.
Use past time markers: "Yesterday, she theired to the store."
No. Use "did not their" (not "did not theired").
The verb their follows the standard English past tense conjugation rule. When forming the past tense, their becomes theired. This follows the Standard -ed pattern, which is one of the most common conjugation rules in English.
Understanding why their becomes theired helps with spelling and pronunciation. This verb follows the standard English past tense rule: simply add -ed to the base form.
When using theired 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 theired to the store." The past tense form does not change based on the subject — I theired, you theired, he/she theired, we theired, they theired.