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