You can, but usually what someone thinks can be written in italics.
"You put it around a quote" - QuestionsQuestions143 "You use quotation marks around what someone is saying." Said questionsquestions143 :]
No, "hi" does not need to be in quotation marks unless it is being used as a direct quote or for emphasis.
Not unless someone is saying it to someone else. Example: Brian said, "Happy Father's Day, Dad."
Use quotation marks around what someone has said. For example, "I love cats," she said.
A sentence with quotation marks is typically a direct quotation from someone's spoken words or text. The quotation marks indicate that the words are being repeated exactly as they were said or written by the original source.
There are no quotation marks in that sentence unless you state who's saying it. "Give me your hand", said Mary, would be correct.
In the quotation marks.
Yes.
Inside.
"..." Quotation marks.
single quotation marks
Quotation marks are used around a sentence to indicate that someone is speaking.