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