I'm pretty sure you should click the second bubble. That one looks like its correct. The other ones have wrongly placed commas so that's the only one that makes sense to me. Hope this helps! =^-^=
It tell either what someone does or where they are from
Ti could be a reference to a life impacting experience of just a reference to the past.
Yes if it is not your work then it is plagiarism to copy and say you did it. you always want to rephrase your work. (:
It can identify(if you know who is narrating) to tell you if you are in third person or first person or it can identify who is the narrator if you know what person you are writing in. The second person should never be used in a narrative essay. That would be informal and incorrect. You can also identify when it is taking place in some cases............. I don't know if this helped but I tried