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