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