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