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