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