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