What is the subject in sentence approach to writing excited students?

The "subject in sentence approach" is not a widely recognized term in writing pedagogy or educational psychology. It's possible you are referring to a specific teaching method used in a particular context.

To better understand what you mean, please provide more information about:

* The context: Where did you encounter this term? Was it in a textbook, a lecture, or a specific writing workshop?

* The goal: What is the intended outcome of using this approach? Are you aiming to help students write more engaging sentences, understand grammar better, or something else?

* Examples: Can you provide any examples of how this approach is implemented?

Once I have a better understanding of your query, I can offer more relevant and helpful information.