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