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