Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
De-aerate is regular. It follows the -d Addition rule.
Use past time markers: "Yesterday, she de-aerated to the store."
No. Use "did not de-aerate" (not "did not de-aerated").
The verb de-aerate follows the standard English past tense conjugation rule. When forming the past tense, de-aerate becomes de-aerated. This follows the -d Addition pattern, which is one of the most common conjugation rules in English.
Understanding why de-aerate becomes de-aerated helps with spelling and pronunciation. Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
When using de-aerated 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 de-aerated to the store." The past tense form does not change based on the subject — I de-aerated, you de-aerated, he/she de-aerated, we de-aerated, they de-aerated.