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