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