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