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