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