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