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