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