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