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