Yes.
I need to add quotation marks in that sentence
Quotation marks are used for direct quotes only. Indirect quotes are paraphrased and do not need quotation marks.
Well, it doesn't need quotation marks but it does have to be capitalized and it has to be in italics. If it's a name of the article in a magazine, then you have to underline it too. That's what I think.
no only quotes
Typically, if the words are your own you do not need to enclose them in quotation marks. However, if you specifically mean the words to be understood as dialogue, you should put quotation marks around them.
Use single quotation marks to indicate a quote within a quote.If you're using a quote that contains a quote you'll need to surround the embedded quote with single quotation marks.
Yes. Anytime you are using someone else's words in your own writing, you must use quotation marks to indicate so.
If someone is saying it... "Hi," John said.
You would not need to use quotation marks or need to underline Petronella. It is her name.
No, it is not necessary to put the definition of plagiarism in quotation marks unless you are directly quoting a source. Otherwise, you can simply state the definition in your own words or paraphrase it.
In dialogue, periods, commas, question marks, and exclamation points go inside quotation marks. (A semicolon goes outside quotation marks but isn't used much in dialogue, so you don't need to worry about it.)
No you dont , only if it is a direct speach or quote do you need them.