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