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