Past Tense of
dam
dammed
Regular Consonant Doubling
📄 Regular form · Consonant Doubling

Base Form Dam

3Letters
1Syllables
1Vowels
2Consonants
DStarts
MEnds

Past Tense Dammed

6Letters
2Syllables
2Vowels
4Consonants
DStarts
DEnds

How to Form the Past Tense of "dam"

This verb follows the consonant-vowel-consonant (CVC) pattern. The final consonant is doubled before adding -ed to maintain the short vowel sound.

Grammar Tips

  • Double the final consonant before adding -ed.

Common Mistakes

  • Do not forget to double the final consonant.
Frequently Asked Questions

Is dam regular or irregular?

Dam is regular. It follows the Consonant Doubling rule.

How do you use dammed in a sentence?

Use past time markers: "Yesterday, she dammed to the store."

Does dammed change in negative sentences?

No. Use "did not dam" (not "did not dammed").

About the past tense of dam

The verb dam follows the standard English past tense conjugation rule. When forming the past tense, dam becomes dammed. This follows the Consonant Doubling pattern, which is one of the most common conjugation rules in English.

Understanding why dam becomes dammed 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 dammed 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 dammed to the store." The past tense form does not change based on the subject — I dammed, you dammed, he/she dammed, we dammed, they dammed.