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