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