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