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