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