Verbs ending in a consonant followed by -y change the -y to -ied in the past tense form.
Lobotomy is regular. It follows the -ied Conversion rule.
Use past time markers: "Yesterday, she lobotomied to the store."
No. Use "did not lobotomy" (not "did not lobotomied").
The verb lobotomy follows the standard English past tense conjugation rule. When forming the past tense, lobotomy becomes lobotomied. This follows the -ied Conversion pattern, which is one of the most common conjugation rules in English.
Understanding why lobotomy becomes lobotomied helps with spelling and pronunciation. Verbs ending in a consonant followed by -y change the -y to -ied in the past tense form.
When using lobotomied 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 lobotomied to the store." The past tense form does not change based on the subject — I lobotomied, you lobotomied, he/she lobotomied, we lobotomied, they lobotomied.