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