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