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