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