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