For freestyle classes: 1. Basically have a free talk with a certain topic provided by students 2. Attend classes on time for a booked classes 3. Create a relaxing atmosphere for students to talk 4. Give feedback to students' performance in class, for example, corrections For official classes: Except the former 4 responsibilities, there is one more: Be familiar with the provided teaching materials

have a clear speaking voice be proficient in English, especially in Speaking(close to native speakers or native speakers)