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