Sentence examples for the last three from inspiring English sources

"the last three" is a grammatically correct phrase and can be used in written English.
It is often used to refer to the three items or objects at the end of a list or sequence. Example: "I accidentally grabbed the last three cookies from the jar instead of one." Here, "the last three" refers to the three cookies at the end of the jar. Another example: "The last three chapters of the book were the most exciting." In this sentence, "the last three" refers to the final three chapters of the book.