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