Is “switched” always used as a verb?

I was thinking that the word switched could be used as a noun and maybe an adjective too but I might just be making grammar mistakes. Switched in the dictionary only shows up as being a verb!

Here are the examples and comparison sentences I was using:
The shirts are brightly colored.
The shirts are wool.
The shirts are switched. (This sentence might be incorrect but it is the kind of sentence which I would use off the top of my head in everyday conversation. Switched seems like it’s being used as a noun to me.)
The switched shirts are both wool. (Here is how I think that switched could be used as an adjective.)

Please let me know your thoughts on this and correct me if I errored in any way! I am trying to better understand my own language in order to better study another.

Answer

“Switched” is the past participle of the verb “to switch”. A past participle has several uses. Here are two: 1) It functions as an adjective in describing a noun: “The switched classrooms resulted in spotty attendance that first week”. 2) It is used in forming the passive voice of the verb: “The children were accidentally switched at birth.” Virtually all English verbs have a past participle that can function in this way; however it cannot function as a noun. For that, you can use the present participle: “I would never consider switching to another brand of laundry detergent.”

Attribution
Source : Link , Question Author : slyfin , Answer Author : Larry Terrell

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