Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
Copulate is regular. It follows the -d Addition rule.
Use past time markers: "Yesterday, she copulated to the store."
No. Use "did not copulate" (not "did not copulated").
The verb copulate follows the standard English past tense conjugation rule. When forming the past tense, copulate becomes copulated. This follows the -d Addition pattern, which is one of the most common conjugation rules in English.
Understanding why copulate becomes copulated helps with spelling and pronunciation. Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
When using copulated 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 copulated to the store." The past tense form does not change based on the subject — I copulated, you copulated, he/she copulated, we copulated, they copulated.