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