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