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