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