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