Sentence examples for had been read from inspiring English sources

"had been read" is a correct and commonly used construction in written English.
It is the past perfect form of the verb "to read" and is used to indicate that an action was completed at some point in the past before another past action or event. It can be used in various contexts and tenses, but is typically used in past tenses. Example: "I had been reading for hours before I finally finished the book." (The action of reading was completed at a specific point in the past before the action of finishing the book.) "I knew he had been reading my diary when I noticed the bookmark had been moved." (The action of reading the diary was completed before the action of moving the bookmark.) "By the time I arrived, the message had already been read by all the recipients." (The action of reading the message was completed before the action of arriving.).