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