Glad you asked >:D
So..! When you're writing an effective summary, basically here's do's and dont's:
DO DONT
Write the important parts of the Write details that are not needed
text, basically the key details that about the text, that doesn't lead
lead up to the main idea. up to the main idea well.
Write the characters, the setting, (Basically the opposite of the DO)
the conflict, and how it's solved
or the on-going part to it being
solved.
Include the author's name and
the title of the text.