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