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