As many people have said, "good players borrow, great players steal". With this in mind, here are a few of the most common rock licks over the years. Should you use them in your own playing? For the advancing guitarist, it couldn't hurt, but I wouldn't make them the cornerstone of your style.

This first one has been used by everyone from Jimmy Page to Mike Stern. The phrasing may be a little different from player to player, but the sentiment is there...