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