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