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