Depends if Bobby said "It's nine o' clock" then yes it does, but if you're stating that the time was nine o' clock then I don't think so.
No. Only titles of words will require quotations around it.
No! It needs to be in italics. or yes if you are writing it by hand instead of typed.
No. It should be in italics like a book title. You can indicate italics by underlining.
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
Yes.
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.