Past Tense of
synthesis
synthesissed
Regular Consonant Doubling
📄 Regular form · Consonant Doubling

Base Form Synthesis

9Letters
3Syllables
2Vowels
7Consonants
SStarts
SEnds

Past Tense Synthesissed

12Letters
4Syllables
3Vowels
9Consonants
SStarts
DEnds

How to Form the Past Tense of "synthesis"

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 synthesis regular or irregular?

Synthesis is regular. It follows the Consonant Doubling rule.

How do you use synthesissed in a sentence?

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

Does synthesissed change in negative sentences?

No. Use "did not synthesis" (not "did not synthesissed").

About the past tense of synthesis

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

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