"WHO'S" and "WHOSE"
"Who's" is a contraction for "who is." "Whose" indicates possession. Ex.: Who's attending the conference? Whose jacket is this?
"PRECEDE" and "PROCEED"
"Precede" means to come before in time or order. "Proceed" means to continue or move forward. Ex.: The introduction precedes the main text. After the break, we will proceed with the meeting.
