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