For the first red, you don't need an article before "relationship".
When you're saying "type of [word]", do not put any article before that word.
Example: "a type of device"
Not too sure about the "your back" parts. It could be your teacher does not like repition.
Also not too sure about "did". He probably wanted you to use the word "felt" instead of "did feel"
The first word of the last paragraph should be "in" not "at".
The red commas definitely do not need to be there.
Don't know why he marked "time to" and "to" red.
Answer: tentative outline
Explanation:
The tentative outline is created when identical elements on an outline are written through the use of similar constructions. It's like a rough outline.
Tentative outlines are simply referred to as the simple tools which enables one to list down all the things that the person will like to include in a written document.


<h3>Hope This Helps You ❤️</h3>
Her whining gave me a constant headache?!?