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