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