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