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