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