Past Tense of
interferometer
interferometerred
Regular Consonant Doubling
📄 Regular form · Consonant Doubling

Base Form Interferometer

14Letters
6Syllables
6Vowels
8Consonants
IStarts
REnds

Past Tense Interferometerred

17Letters
7Syllables
7Vowels
10Consonants
IStarts
DEnds

How to Form the Past Tense of "interferometer"

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 interferometer regular or irregular?

Interferometer is regular. It follows the Consonant Doubling rule.

How do you use interferometerred in a sentence?

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

Does interferometerred change in negative sentences?

No. Use "did not interferometer" (not "did not interferometerred").

About the past tense of interferometer

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

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