Answer:
Must have a claim and where you stand in the argument.
Singular noun is a noun that assigns to one thing, one person and one idea. Example: Boy, Girl, Father, Mother, Man, Doctor and so on.
So basically all you need to remember is that “Mood= the way the passage makes ME(the reader) feel” and tone is like the authors version of that
In english, the general formula is verb + ed.
ex. visit -> visited