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