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