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