I have not read the book that this question references. If you include the section of it in question, I might be able to help.
<span>Authors might use words such as may, might, can , could, some, many, often, virtually, as many as, or up to.)
hope this helps
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Answer:
Main idea especially for outline
“Et tu, Brute?” “And you, Brutus?” Kind of like “Even you?”