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