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