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