This document provides examples of common mistakes in English usage and the correct forms. It addresses mistakes related to the following pairs of words: fit vs suit, information vs advice, forget vs leave, borrow vs lend, tell vs say, café vs coffee, business vs a business, between vs among, criticism vs critic, this is the first time, politic vs political vs politics, economic vs economical, rise vs raise, affect vs effect, briefly vs shortly, and according to vs in my opinion. For each pair, it gives incorrect and correct example sentences to illustrate the proper usage of the terms. The purpose is to help learners avoid common errors and use English words accurately.