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