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