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