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