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