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