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