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