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