The phrase "an example of passive" is correct and usable in written English.
It can be used when discussing grammatical structures, specifically referring to the passive voice in sentences.
Example: "In the sentence 'The book was read by the student,' we have an example of passive construction."
Alternatives: "a case of passive voice" or "an instance of passive construction".
Example (1) shows an active form which has a potential passive equivalent (cf. A comprehensive illustration... was provided by the description...); (2) is an example of a passive form; (3) is an example of the NP category, active in form with no passive equivalent (the clause has no component which could function as the potential subject in a putative passive form).
The splits is an example of a passive stretch (in this case the floor is the "apparatus" that you use to maintain your extended position).
As an example of using passive acoustic approaches for fisheries management, in collaboration with the National Park Service, I am examining how directed freshwater flow through the Everglades impacts spawning behavior of fish populations in Florida Bay.
This sentence is an example of the passive voice in English.
The last part of our sentence contains the most serious offense: "private schools are notoriously known for their smaller classrooms". No, it's not the passive "are known". That's an example of how passives can be good.
An example of the passive voice might be: "What specific complaints can I address for you?" The subject of the sentence, the customer ("you"), appears at the end of the sentence, rather than at the beginning of the sentence.
As a concrete example of passive assembly method, Remote Center Compliance (RCC) device has been also developed.
Socrates' Megaron House is a classic example of passive solar design.
S-MAC [17] is an example of distributed coarse-grain passive protocol and is one of the first MAC layers designed to reduce power consumption in WSNs.
