Teaching skills are more important for the trainee teachers because he has to use these skills during the class. If he has not had a clear concept of different teaching skills it is impossible to take a successful class. All teaching skills are required while the teacher will take a class. There are so many teaching skills, e.g. Skill of Introducing lessons. The skill of Questioning. The skill of Using Teaching Aids. The skill of Illustration with Example. The skill of Reinforcement. The skill of Using BlackBoard. The skill of Stimulus Variation. The skill of Writing Instructional Objectives. The skill of Explaining. etc.