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