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