This verb follows the standard English past tense rule: simply add -ed to the base form.
Estimation is regular. It follows the Standard -ed rule.
Use past time markers: "Yesterday, she estimationed to the store."
No. Use "did not estimation" (not "did not estimationed").
The verb estimation follows the standard English past tense conjugation rule. When forming the past tense, estimation becomes estimationed. This follows the Standard -ed pattern, which is one of the most common conjugation rules in English.
Understanding why estimation becomes estimationed helps with spelling and pronunciation. This verb follows the standard English past tense rule: simply add -ed to the base form.
When using estimationed 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 estimationed to the store." The past tense form does not change based on the subject — I estimationed, you estimationed, he/she estimationed, we estimationed, they estimationed.