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