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