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