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