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