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