Verbs ending in a consonant followed by -y change the -y to -ied in the past tense form.
Policy is regular. It follows the -ied Conversion rule.
Use past time markers: "Yesterday, she policied to the store."
No. Use "did not policy" (not "did not policied").
The verb policy follows the standard English past tense conjugation rule. When forming the past tense, policy becomes policied. This follows the -ied Conversion pattern, which is one of the most common conjugation rules in English.
Understanding why policy becomes policied helps with spelling and pronunciation. Verbs ending in a consonant followed by -y change the -y to -ied in the past tense form.
When using policied 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 policied to the store." The past tense form does not change based on the subject — I policied, you policied, he/she policied, we policied, they policied.