The past participle of "switch" is switched.
The past participle is used to form the perfect tenses (present perfect, past perfect, and future perfect) and the passive voice.
Here are some examples:
-
Present Perfect: I have switched my phone to silent mode.
-
Past Perfect: She had switched the lights off before leaving.
-
Future Perfect: They will have switched to a new energy provider by next year.
-
Passive Voice: The power was switched off during the storm.
It's important to remember that the past participle of "switch" is not "switched on" or "switched off." These are phrasal verbs, and their past participle is formed by adding "on" or "off" to the past participle of "switch," which is "switched."
