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