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