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