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