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