Past Tense of
thermometer
thermometerred
Regular Consonant Doubling
📄 Regular form · Consonant Doubling

Base Form Thermometer

11Letters
4Syllables
4Vowels
7Consonants
TStarts
REnds

Past Tense Thermometerred

14Letters
5Syllables
5Vowels
9Consonants
TStarts
DEnds

How to Form the Past Tense of "thermometer"

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 thermometer regular or irregular?

Thermometer is regular. It follows the Consonant Doubling rule.

How do you use thermometerred in a sentence?

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

Does thermometerred change in negative sentences?

No. Use "did not thermometer" (not "did not thermometerred").

About the past tense of thermometer

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

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