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