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