What is the mood of verb in following sentence That my red notebook.?

The sentence "That my red notebook?" is grammatically incorrect and doesn't have a verb. It's a fragment.

To determine the mood of a verb, we need a complete sentence with a verb.

Here are some examples of how the sentence could be completed and the corresponding verb moods:

* Indicative mood: "That is my red notebook." (Statement of fact)

* Interrogative mood: "Is that my red notebook?" (Question)

* Imperative mood: "Give me that red notebook." (Command)

Let me know if you want to explore the mood of a different sentence!