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