This verb follows the consonant-vowel-consonant (CVC) pattern. The final consonant is doubled before adding -ed to maintain the short vowel sound.
Referendum is regular. It follows the Consonant Doubling rule.
Use past time markers: "Yesterday, she referendummed to the store."
No. Use "did not referendum" (not "did not referendummed").
The verb referendum follows the standard English past tense conjugation rule. When forming the past tense, referendum becomes referendummed. This follows the Consonant Doubling pattern, which is one of the most common conjugation rules in English.
Understanding why referendum becomes referendummed helps with spelling and pronunciation. This verb follows the consonant-vowel-consonant (CVC) pattern. The final consonant is doubled before adding -ed to maintain the short vowel sound.
When using referendummed 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 referendummed to the store." The past tense form does not change based on the subject — I referendummed, you referendummed, he/she referendummed, we referendummed, they referendummed.