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