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