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