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