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