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