Teachers and students share many duties, or responsibilities. Among them are several very important things. For example, teachers and students should come to class on time. Students don't like to come early and find that the teacher is late. The teacher should come with a prepared lesson every day. That's also very important. Students have more confidence in a teacher who is prepared. The teacher teaches the students, but students can also teach each other. Students should study at home. There is a lot that they can study. For example, they can study new words at home. Sometimes the teacher gives homework. Students who do their homework learn English faster.