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