Sentence examples for already read from inspiring English sources

"already read" is correct and can be used in written English
It is commonly used to refer to something that has been read in the past, typically in a previous context or at an earlier time. Example: "I have already read the book you recommended. It was very interesting." (This sentence implies that the speaker has read the book before the current moment in time.) Another example: "The teacher asked us to write a summary of the already read chapters." (This sentence suggests that the chapters were read in a previous lesson or at an earlier point in time.)