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